1. Use the graph to answer the questons.
From graph A:
Identify the pH optimum of the enzyme sucrase.
Explain why the enzyme does not function at pH values outstide the pH optimum.
From graph B:
c. Identify the temperature optimum of the enzyme sucrase.
d. Explain why the enzyme does not function at temperatures at the extremes (both cold and hot).
Answers
Enzymatic activity is affected by pH and temperature. A) a- 6 pH. b- affect the whole molecule structure, and the proteins functions. B) a- 45ºC. b- The enzyme denaturalizes and its functions are affected.
How do changes in pH and temperature affect the enzyme activity?Enzymes, like all proteins, are polypeptidic molecules. They need to get an accurate tridimensional structure to accomplish their functions. There is a limited temperature and pH level at which they lose that structure and denaturalize.
pH changesThe most accurate configuration for the best catalytic performance depends on the charge of the lateral chains and the environmental pH.
Enzymes have ionizable chemical groups in the side chains of their amino acids. Depending on the environmental pH, these groups will have a positive, negative, or neutral charge. There is an optimum pH level at which enzymes get the best configuration to accomplish their functions.
Most enzymes are sensitive to any change in pH, which might drastically affect their activity. So every enzyme has its optimum pH level, and any slight deviations will cause the enzyme denaturalization, hence, its activity loss.
Temperature changesIn general, the increase in temperature accelerates chemical reactions.
The temperature at which the enzymatic activity is the highest is known as the optimum temperature.
⇒ When the environmental temperature is lower than the optimum, there is a slow enzymatic activity.
⇒ When the temperature exceeds the optimum point, the enzymatic activity sharply decreases. It denaturalizes the enzyme. Over this level, the reaction velocity is counteracted by the loss of the catalytic activity due to denaturalization. Enzymatic activity decreases until it completely annulates.
Graph A:
a) pH optimum: 6 aproximately.
b) Outside the pH optimum, the enzyme does not function because the lower or higher levels of pH affect side chains by changing the ionized state of amino acids, which alter the bonds that keep the stable molecule structure. Under these situations, the molecule loses its functions.
Graph B:
a) Optimum temperature: 45ºC aproximately.
b) At extreme temperatures the enzyme denaturalizes and the molecule does not get to accomplish its functions.
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Related Questions
explain the socio-economic challenges that exist in urban areas
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the unemployment rate will increase.
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dually fishtail good too risks tittiesss
9. What number on the diagram is pointing to the deltoid muscle?
15
16
17
18
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Answer:
17 number on the diagram is pointing to the deltoid muscle
Would the mosquito still be able to fin the nesting site
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Answer:
Give the full question please
identify the cellular components and the location of the component that is respnsible for producing the luciferase protein from mrna
Answers
For luciferase protein production, ribosomes would be located either in the cytoplasm or on the surface of the ER, depending on whether the mRNA molecules encoding the protein are destined for secretion or for use within the cell.
The cellular component responsible for producing the luciferase protein from mRNA is the ribosome. Ribosomes are small, complex molecular machines that are responsible for translating the genetic information in mRNA molecules into protein sequences.
In eukaryotic cells, ribosomes can be found in two locations: free in the cytoplasm and bound to the endoplasmic reticulum (ER). The free ribosomes produce proteins that are used within the cell, while the bound ribosomes produce proteins that are destined for secretion or for insertion into cell membranes.
Overall, ribosomes are the key cellular component responsible for translating mRNA molecules into proteins, including the luciferase protein.
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When all available water has been used up in a soil, what is left ?
1. Is unavailable to plants.
2. Can only be obtained by large plants.
3. Is too small to make any effect.
4. Will only be used by certain plants.
Answers
Answer:
When all available water has been used up in a soil, the remaining water is typically unavailable to plants. Therefore, option 1 is the correct answer.
Plants can only absorb water that is in the soil's pore spaces and is not too tightly bound to soil particles. Once all the available water has been used up, the remaining water is held too tightly to soil particles for plants to access it. This can lead to water stress and drought conditions for plants, and can also negatively affect soil fertility and other aspects of ecosystem health.
using a similar flow chart, develop a dichotomous key for the seven organisms listed in the chart at question 23.
Answers
The use of dichotomous keys is how they earn their name, and they are rather simple to utilize.
ChartDichotomous literally translates to "two branches," which is highly apt considering that the key offers two options at each step. The answers you give to each question—yes or no—will determine how you move on. This is comparable to how you would follow a flowchart. You are guided to the next option as you proceed through each step based on both that answer and the ones that came before it.As an illustration, if you discovered a snake invisit side your home, you might want to identify it right away to find out whether it is poisonous or not and how dangerous it is.For more information on dichotomous key kindly visit to
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explain the socio-economic challenges that exist in rural areas
Answers
Answer:
Rural communities face challenges related to demographic changes, workforce development, capital access, infrastructure, health, land.
Explanation:
Some of the most significant examples of socio-economic issues would include things like: Income levels within a community. The kind of educational opportunities that exist. The employment situation of a community. Safety within a community.
In pea plants, green pods are dominant to yellow pods. If a green pea pod plant, that had a yellow pea
pod parent, is crossed with a yellow pea pod plant, what percentage of the offspring will have green pea
pods?
Answers
Answer:
Explanation:
Assuming the green pea pod plant is heterozygous (Gg) and the yellow pea pod plant is homozygous recessive (gg), the Punnett square for the cross can be set up as follows:
G g
g Gg gg
g Gg gg
The possible genotypes of the offspring are: Gg and gg.
Therefore, 50% of the offspring will have green pea pods (Gg) and 50% will have yellow pea pods (gg
Describe how a meander can form an oxbow lake. Use the words "cut bank" in your answer.
Answers
Answer:A meander can form an oxbow Lake by using a cut bank to vision the forming happening.
Explanation:
In which cell is the water potential the least negative ,using a diagram of the xylem vessel from a vascular bundle in a root and four adjacent parenchyma cells
Answers
The water potential is the least negative in the xylem cell, which is located at the center of the vascular bundle. This is because the xylem cell is responsible for transporting water and minerals from the roots to the rest of the plant.
What is the xylem?The xylem is a type of plant tissue that is responsible for transporting water and dissolved minerals from the roots to the rest of the plant. It is composed of specialized cells called tracheids and vessel elements, which are connected end-to-end to form long tubes or vessels.
The xylem vessels are reinforced with lignin, which provides structural support and prevents collapse of the tubes under the pressure of water transport. The movement of water through the xylem is driven by transpiration, which is the loss of water from the leaves through tiny openings called stomata. As water evaporates from the leaves, it creates a negative pressure, or tension, that pulls water up from the roots and through the xylem.
The water potential is the least negative in the xylem cell, which is located at the center of the vascular bundle. This is because the xylem cell is responsible for transporting water and minerals from the roots to the rest of the plant, and therefore it must maintain a high water potential to facilitate this process. The adjacent parenchyma cells have lower water potential compared to the xylem cell, as they are involved in storage of nutrients and water, and do not play a major role in water transport.
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3. Use the diagram and information to answer questions below the figure.
You may use the amino acid table at beginning of exam to look up the 3 letter amino acid abbreciation and structure.
You have discovered a new enzyme that you name Pac-Manase that breaks down Pac-dot substrates (see figure below). You determine that the following potential interactions may occur between amino acids (3 letter abbreviation in red) in the enzyme's active site and its substrate (in yellow in figure below). At each site between the chemical group (in green) on the substrate and the closest side chain of an amino acid (in red) on the enzyme (in the gray circles), Pac-Manase, determine if a favorable interaction is likely to take place.
For each amino acid and substrate functional group pair, decide if a favorable interaction is likely take place and if so state the name for the strongest interaction/bond that may occur. For all cases where a potential interaction seems unfavorable, explain why.
A. GLN
B. ASP
C. ILE
D. LYS
E. ARG
Answers
The interactions that take place between each amino acid and substrate functional group pair play important roles in determining the structure and function of the enzyme Pac-Manase.
What interaction takes place between each amino acid and substrate functional group pair?Several interactions take place between each amino acid and substrate functional group pair of the enzyme Pac-Manase.
These interactions are described below:
GLN and -OH: GLN contains a side chain with a carboxamide group (-CONH2), which can form hydrogen bonds with a hydroxyl group (-OH). This interaction is called a hydrogen bond.ASP and -NH2: ASP contains a negatively charged side chain, while -NH2 represents a positively charged amino group. The oppositely charged groups can attract each other, forming an ionic bond.ILE and -CH3: ILE contains a side chain with a methyl group (-CH3), which can interact with other methyl groups through van der Waals forces. This interaction is called hydrophobic interaction.LYS and -NH2: LYS contains a positively charged side chain, while -NH2 represents a positively charged amino group. The two positively charged groups can repel each other, but they can also form a salt bridge, which is a strong ionic interaction between oppositely charged groups.ARG and -COOH: ARG contains a positively charged side chain, while -COOH represents a negatively charged carboxyl group. The oppositely charged groups can attract each other, forming a salt bridge.Learn more about amino acids at: https://brainly.com/question/14351754
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In mammals, which of the following vessels transports oxygenated blood from the lung back to the heart?
A. pulmonary artery
B. superior vena cava
C. coronary artery
D. pulmonary vein
Answers
(d) is the correct option. The pulmonary veins enter the left atrium and re-circulate the oxygenated blood back to the heart. Blood is pumped into the left ventricle from the left atrium.
The aorta, which carries the oxygenated blood to every area of the body, receives blood from the left ventricle. Only one type of vein carries oxygenated blood, which is the pulmonary vein. Oxygenated blood is transported from the lungs by the pulmonary veins. The heart's major artery (aorta), which supplies blood to the entire body, is directly used in coronary circulation. Deoxygenated blood travels from tissue capillaries back to the right atrium of the heart through a network of veins.
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FILL IN THE BLANK thousands of scientists have found that ___helps virtually every age-related condition that people encounter.
Answers
Thousands of scientists have found that (B) exercise helps virtually every age-related condition that people encounter.
Early adulthood is considered a new stage in life between adolescence and early adulthood, which lasts around 18 to 25 years. Five characteristics of adulthood emerge: exploration of identity, instability, self-focus, feelings between adolescence and adulthood, and a sense of vast future possibilities. Adulthood emerges mainly in industrialized countries, where most young people are educated and where the median age of marriage and childbirth is around 30 years old. Emerging adulthood varies across industrialized countries. It lasted longest in Europe, while in industrialized Asia freedom from emerging egocentrism in adulthood was balanced by obligations to parents and conservative views on sexuality.
Exercise helps with weight loss and weight loss maintenance. Exercise increases your metabolism or the number of calories you burn each day. It can also help you maintain and increase lean body mass, which can also help increase the number of calories you burn each day.
In non-industrialized countries, emerging adults, although present only among middle-class elites, are expected to grow in the 21st century as these countries become more prosperous.
Complete Question:
Thousands of scientist have found that _____ helps virtually every age-related condition that people encounter
A. weight-loss surgery
B. exercise
C. low-fat diets
D. moderate alc consumptions
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The complimentary messenger RNA strand that would be synthesized from the DNA base sequence of CTGAC would be...
A) GACTG
B) UGACU
C) AGTUG
D) GACUG
E) GACGU
Answers
GACUG would be the complementary messenger RNA strand that is generated from the DNA base sequence CTGAC.
D is the proper answer.
RNA polymerase, the main enzyme in transcription, builds a complementary strand of RNA using a template consisting of single-stranded DNA. In order to build an RNA strand, RNA polymerase selectively adds each new nucleotide to the 3' end of the strand as it travels from 5' to 3'.
In DNA, adenine (A) always forms a base-pairing pair with thymine (T), whereas in RNA, it forms a base-pairing pair with uracil (U). On the other hand, DNA and RNA both link guanine with cytosine.
The template strand for coding mRNA is provided, and it is composed of the DNA sequence 3'-AGCTTCGA-5'.
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true/false. an increase in temperature will cause an equilibrium to: select the correct answer below: shift right shift left no change depends on the equilibrium
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When the temperature rises, an equilibrium will: Decide which of the following is true: No change relies on the equilibrium; go right; move left. True.
Le Chatelier's Principle states that a reversible reaction system that is endothermic in the forward direction will shift in the forward direction when its temperature rises (heats up). We may thus conclude that this response will indeed go to the right.
The equilibrium is shifted in favor of the endothermic process as the temperature rises. Because energy is transferred from the environment during an endothermic reaction, this lessens the effects of the change. The equilibrium is shifted toward the exothermic process as the temperature is lowered.
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Evolution is simply _ ______ __ ___ _______ ______ __ _ __________ ____ ____.
Answers
Evolution is simply the differential survival and reproduction of better-adapted organisms in a population.
What is the process of natural selection associated with evolution?The process of natural selection associated with evolution refers to the differential survival and reproduction of the fittest adaptive phenotypes in a given population, which leads to the change in the morphological and genetic features of organisms in a population and also among species.
Therefore, with this data, we can see that process of natural selection associated with evolution lead to the emergence of new phenotypes in the population.
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Evolution is simply the process of change in living organisms over time. It is a fundamental concept in biology that describes how species can undergo genetic and phenotypic changes across generations. Through mechanisms such as natural selection, genetic mutation, genetic recombination, and genetic drift, populations can accumulate and pass on advantageous traits while losing or modifying less beneficial ones.
Evolution is driven by the interaction between organisms and their environment. Individuals with traits that provide a survival advantage or reproductive success are more likely to pass on their genes to future generations. Over time, this can lead to the emergence of new species, the extinction of others, and the diversification of life forms on Earth.
Evolution is supported by a wide range of evidence, including fossil records, comparative anatomy, embryology, molecular biology, and genetic studies. It provides a powerful framework for understanding the complexity and diversity of life on our planet and how species adapt and change in response to their surroundings.
which of the following is least likely to help a virus avoid triggering an adaptive immune response?
Answers
Answer:
Synthesizing protein similar to other viruses would not help the virus avoid activating the adaptive immune response. The MHC molecules of the cells recognize the other protein molecules. It triggers the adaptive immune system.
_____ is a complex process that begins with the joining of the nucleus of an egg with the nucleus of a sperm.
Answers
Conception. The haploid nuclei of the two gametes combine to generate the genome of a new diploid organism by fertilisation, which also activates the egg to start its developmental path.
Fertilization is the process of a sperm cell fusing with an egg. The process of fertilisation takes time. There may be up to 6 days between intercourse and fertilisation since sperm can remain in your uterus and fallopian tube for up to 6 days after sex. When a woman's egg and a man's sperm combine during fertilisation, a pregnancy begins. The fallopian tube connecting an ovary to the uterus is where fertilisation typically occurs. An embryo begins to develop if the fertilised egg is able to exit the fallopian tube and enter the uterus.
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Help me please answer all te questions
Answers
Answer:
1. A
2. B
3. D
4. A
Explanation:
Assignment sports leadership news paper article
Scenario You are working in a small, but developing, coaching company. You have contacted a local newspaper to discuss how to develop interest in volunteering in sports leadership. The editor has asked you to write an article that explores the requirements of becoming a successful sports leader, using examples of successful sports leaders to demonstrate attributes and responsibilities required.
Task 1
Carry out research into successful sports leaders using textbooks, the internet and journals. You may also consider sports leaders who have led sporting events that you have taken part in and/or sports leaders who coach professional or national sports teams.
Prepare a two-page article for the newspaper about the attributes and responsibilities of sports leaders. (2A.P1, 2A.P2, 2A.M1, 2A.M2)
Within the feature you should compare and contrast the attributes of two successful sports leaders. (2A.D1)
Checklist of evidence required
Article for a newspaper or web article.
Criteria covered by this task:
Unit/Criteria reference
To achieve the criteria you must show that you are able to:
6/2A.P1
Describe, using relevant examples, the attributes required for, and responsibilities of, sports leadership.
6/2A.P2
Describe the attributes of two selected successful sports leaders.
6/2A.M1
Explain the attributes required for, and responsibilities of, sports leadership.
6/2A.M2
Evaluate the attributes of two successful sports leaders.
6/2A.D1
Compare and contrast the attributes of two successful sports leaders.
Answers
Answer:
Title: The Role of Attributes and Responsibilities in Sports Leadership
As the world becomes more competitive, it is important to have skilled sports leaders who can inspire and motivate athletes to reach their full potential. Successful sports leaders possess a unique combination of attributes that enable them to excel in their role. In this article, we will explore the attributes and responsibilities of sports leadership through the lens of two successful sports leaders.
The first sports leader we will examine is Sir Alex Ferguson, who is widely regarded as one of the most successful football managers of all time. Sir Alex Ferguson led Manchester United for 26 years, during which time he won 38 trophies, including 13 Premier League titles and two Champions League titles. One of his key attributes was his ability to motivate and inspire his players to perform at their best. He was also known for his strategic thinking and ability to identify and develop talent.
The second sports leader we will examine is Serena Williams, who is one of the greatest tennis players of all time. Serena has won 23 Grand Slam singles titles and 14 Grand Slam doubles titles. Her attributes include her exceptional physical ability, her mental toughness, and her ability to adapt her game to different opponents and situations. She is also known for her leadership skills, both on and off the court, as she has used her platform to advocate for social justice and equality.
The role of a sports leader is not just about winning, but also about developing athletes and creating a positive environment for them to thrive. A successful sports leader must possess a range of attributes, including communication skills, strategic thinking, adaptability, and the ability to inspire and motivate others. They must also be responsible for creating a positive team culture, managing conflicts, and ensuring that the team is well-prepared for competitions.
Sir Alex Ferguson and Serena Williams both demonstrate these attributes and responsibilities in their leadership roles. While they come from different sports and have different approaches, they both prioritize the development of their athletes and the creation of a positive team culture. They also demonstrate exceptional leadership skills, including their ability to inspire and motivate others, their strategic thinking, and their adaptability.
In conclusion, successful sports leaders possess a unique combination of attributes and responsibilities that enable them to excel in their role. They must possess strong communication skills, be able to think strategically, and have the ability to inspire and motivate others. Additionally, they are responsible for creating a positive team culture, managing conflicts, and ensuring that their team is well-prepared for competitions. By studying successful sports leaders like Sir Alex Ferguson and Serena Williams, we can learn valuable lessons about what it takes to be an effective sports leader.
Identify whether each feature listed belongs to primates or to other mammals.
- have relatively short growth and development periods
- feature relatively short periods between births
-tend to give birth to only one offspring at a time
- have relatively longer periods of maternal investment
Answers
Primates, unlike other mammals, have relatively short growth and development periods. The rest of the characteristics mentioned belong to primates.
Primates, especially humans, have a prolonged developmental phase with a short growth period, which is one of the traits that set them apart from other mammals. In comparison to most other mammals, primates, especially humans, have a long developmental phase characterized by prolonged infancy and an extended learning period. Here are the other three characteristics that are exclusively found in primates:Feature relatively short periods between births: The majority of primates, including humans, have a longer pregnancy period than other mammals. Because of this, primates generally have more extended periods between births.
Tend to give birth to only one offspring at a time: Compared to other mammals, primates, especially humans, generally give birth to a single offspring at a time, which may be attributed to their prolonged developmental period and maternal investment.Have relatively longer periods of maternal investment: Because primates have a more extended developmental phase than other mammals, they require more maternal attention and care. As a result, primates, especially humans, have a longer period of maternal investment.
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a number of different phylogenies have been proposed by scientists. these phylogenies are useful because they can be used to
Answers
A number of different phylogenies have been proposed by scientists. these phylogenies are useful because they can be used to evaluate which groups of organisms may be most closely related
Phylogeny is the study of the evolutionary history of a species or group, with a focus on relationships and lines of descent among huge groupings of organisms. Phylogenetics is a powerful technique for discovering how current species have evolved.
By analysing phylogenetic trees, scientists can better understand how species have evolved and gain insight into the similarities and differences between diverse species. An animal phylogenetic tree that illustrates the evolution of an animal's parts is a special phylogeny example.
The evolution of animal organs serves as an example of animal phylogeny. The primary animal lineages evolutionary relationships can be inferred from this type of figure's organ level structure.
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Which organelle is denoted by B?
RER
SER
cytoplasm
golgi
Answers
The organelle denoted by B is the Golgi apparatus.
Golgi apparatus.Eukaryotic cells have an organelle called the Golgi apparatus, which is crucial for the processing, alteration, and classification of proteins and lipids. It is constructed of a number of stacked cisternae, which are flattened, membrane-bound sacs. Endoplasmic reticulum (ER) proteins and lipids are transferred to the Golgi apparatus, where they are altered by the addition or removal of sugars, phosphates, or other chemical groups. Then, it organizes these molecules into vesicles, which can carry them to a variety of locations inside and outside the cell. The Golgi apparatus is essential for ensuring the appropriate operation of the cell in this way.learn more about Golgi apparatus here
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Which of the following best explains how gene pools change to bring about evolution?
A.certain alleles help animals to survive and those alleles are more abundant in the next generation
B. mutations help organisms whenever they appear in organisms
C. individuals alter their alleles to become better suited to the selective pressures of the environment
D. survival of the fittest members of a population increases variation in the gene pool
Answers
Certain alleles allow animals to survive and those alleles are more abundant in the next generation this is how the gene pools evolve to bring about evolution.
Describe the gene pool?The gene pool refers to all the alleles (various forms of genes) present in a population of organisms.
It includes variances in the genes that determine physical attributes, behavior, and other traits as well as the entire genetic variety present in the community.
Natural selection, genetic drift, gene flow, and mutation are a few examples of the processes that can cause the gene pool to alter through time.
How does evolution alter the genetic diversity?By evolution, the gene pool of a population can evolve over time. There are a number of processes by which this might happen, including mutations, natural selection.
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compare and contrast anabolic and catabolic processes by dragging the labels to the correct areas of the venn diagram.
Answers
The above present areas of venn diagram represents the compare and contrast between anabolic and catabolic pathways. This Venn diagram shows relaionship between groups.
Metabolism can be represented into two types:
Catabolism Anabolism.First see the above required Venn - diagram for describing the catabolism and anabolism :
Circles that overlap have the common feature of catabolism and anabolism. Circles do not overlap have their own features.Examples for the catabolic pathway : Glycolysis : Breakdown of one molecule of glucose and releasing energy.lipolysis : Breakdown of triglyceridesCitric acid pathway - Oxidtion of acetyl CoA to release energy.Oxidative deaminationMuscle tissue breakdownExamples for the anabolic pathway:Fatty acids becoming triglycerides.Glucose becoming glycogenPhotosynthesis - sugar from CO₂.building block : Which consists synthesis of large protiens from amino acids.Synthesis of new DNA strands from nucleic acid (building block)For more information about anabolic and catabolic pathways, visit :
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Microsporidia have been tentatively moved from the protists to the fungi based on which of the following?
Presence of chitin in cell walls
Absence of chloroplasts
Analysis of DNA sequence data
Absence of centrioles
Answers
Microsporidia have been tentatively moved from the protists to the fungi based on the presence of chitin in their cell walls.
What is chitin?
Chitin is a tough, protective polysaccharide that is found in the cell walls of fungi but not in protists. While the absence of chloroplasts and centrioles can also be used to distinguish fungi from protists, the presence of chitin in the cell walls is a more reliable and definitive characteristic for assigning organisms to the fungal kingdom. In addition to chitin, other features such as analysis of DNA sequence data and other biochemical markers have also supported the reclassification of Microsporidia as fungi.
What is protists?
Protists are a diverse group of eukaryotic organisms that are not plants, animals, or fungi. They are unicellular or multicellular, and can be found in a variety of habitats such as fresh water, marine environments, soil, and even inside other organisms as parasites. Protists include organisms such as algae, amoebas, ciliates, and slime molds.
Protists are characterized by their eukaryotic cell structure, which includes a nucleus and other membrane-bound organelles. They may have cell walls or lack them, and can reproduce sexually or asexually. Some protists are capable of photosynthesis, while others are heterotrophic and obtain nutrients by consuming other organisms or organic matter.
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select the options that indicate when you know that you have increased the microscope's magnification enough.
Answers
The field of view shrinks, the depth of the field gets shallower, the resolution gets better, and the image gets bigger when you have sufficiently magnified the microscope.
What happens when a microscope's magnification is increased?The object appears bigger when a magnified more. The Resolution: improves the object's or image's clarity.
Your field of view also expands as the magnification increases.Field of vision and magnification are inversely related. This implies that while one increases, the other declines (decreases). As a result, the field of vision would be reduced with an increase in magnification, such as when utilising more powerful objective lenses.
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Question:
What are the indicators that you have increased the microscope's magnification enough?
A. The field of view becomes smaller
B. The image becomes dimmer
C. The depth of field becomes shallower
D. The resolution improves
E. The image becomes larger
Please select all that apply.
Is it advisable to switch Microscope on while looking through the eyepiece
Answers
bacterial infection that was likely confirmed by which of the following Lillian was diagnosed with a Gram- negative biotechnology applications? Choose one: A Restriction digest with endonuclease B. Hybridization with a labeled probe C. Polymerase chain reaction D. Making a chimera plasmid O E. None of these is possible
Answers
Lillian was diagnosed with a bacterial infection that was likely confirmed by Polymerase chain reaction (PCR).PCR is a laboratory technique used to generate millions of copies of a specific DNA sequence.
It is often used to diagnose bacterial infections because it can detect even small amounts of bacterial DNA in a sample. PCR involves three basic steps: denaturation, annealing, and extension. In the denaturation step, the sample is heated to separate the two strands of DNA. In the annealing step, primers are added to the sample to bind to the specific DNA sequence of interest. In the extension step, DNA polymerase is used to build a new strand of DNA from the primers. The result is millions of copies of the specific DNA sequence, which can be analyzed to detect the presence of the bacteria causing the infection. Restriction digests with endonuclease B is not used to diagnose bacterial infections. It is a laboratory technique used to cut DNA into smaller fragments. Hybridization with a labeled probe is another laboratory technique that can be used to detect the presence of bacterial DNA. However, PCR is more sensitive and specific and is therefore the preferred method for diagnosing bacterial infections. Making a chimera plasmid is not a laboratory technique used to diagnose bacterial infections. It involves combining DNA sequences from different sources to create a hybrid molecule. None of these is possible is not the correct answer as PCR is a possible method for diagnosing bacterial infections.
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Why does a microscope stage have a small hole in it?
Answers
Answer: to allow light to pass through
Explanation: