Answers
Answer:
Silent (substitution)
Explanation:
The adenine mutated to thymine, but that did not affect the amino acid produced. This qualifies as a silent substitution.
Related Questions
During which phase of the cell cycle does the cytoplasm of a cell divide to form two daughter cells?.
Answers
Answer:
Cytokinesis
Explanation:
Cytokinesis is the last part of the Miotic phase. This is when the cytoplasm splits apart. A way to remember this is that cytoplasm and cytokinesis both start with "Cyto".
Match the following groups to their descriptions:
- Amoebozaons
- Stramenopiles
- Alveolates
- Rhizarians
- Excavata
A. have a cell wall and both an outer and an inner membrane. There are no membraneous organelles in this group.
B. have a feeding groove on one side and are usually single-celled. Members include organisms with heterotrophic, photosynthetic, parasitic, or symbiotic lifestyles.
C. use pseudopodia to move and may be either single-celled or multicellular. Members within this group exhibit free-living and parasitic lifestyles.
D. have a tinsel flagellum and are photosynthetic.
E. have elaborate tests composed of calcium carbonate, silicon, or strontium salts. Members have thin pseudopodia that project from the test.
F. have membrane-enclosed sacs beneath the plasma membrane. There are photosynthetic and heterotrophic members in this group.
Answers
Answer:
1. Archaeplastida.
2. Excavata.
3. Amoebozaons.
4. Stramenopiles.
5. Rhizarians.
6. Alveolates.
Explanation:
Protists can be defined as any group of eukaryotic organisms that belongs to the kingdom protista and are not plant, animal or fungus.
These are the six (6) groups of protists;
A. Archaeplastida: have a cell wall and both an outer and an inner membrane. There are no membraneous organelles in this group.
B. Excavata: have a feeding groove on one side and are usually single-celled. Members include organisms with heterotrophic, photosynthetic, parasitic, or symbiotic lifestyles.
C. Amoebozaons: use pseudopodia to move and may be either single-celled or multicellular. Members within this group exhibit free-living and parasitic lifestyles.
D. Stramenopiles: have a tinsel flagellum and are photosynthetic.
E. Rhizarians: have elaborate tests composed of calcium carbonate, silicon, or strontium salts. Members have thin pseudopodia that project from the test.
F. Alveolates: have membrane-enclosed sacs beneath the plasma membrane. There are photosynthetic and heterotrophic members in this group.
What are the major types of ''macromolecules''?
A( Carbohydrates.
B( Chromosomes.
C( Lipids.
D( Lysosomes.
E( Nucleic acids.
F( proteins.
Answers
Answer:
carbs, lipids, nuecleic, proteins
Explanation:
Answer:
...
Explanation:
Which of the following best describes an ecosystem in a neighborhood garden?
(A)the tomato plants, the fungi, and the soil
(B)the basil plants
(C)the tomato plants and the fungi
Answers
Answer:
Hey bro Ur answer is A)
Explanation:
The definition of an ecosystem is that ecosystem consists of all the organisms and the physical environment with which they interact. These biotic and abiotic components are linked together through nutrient cycles and energy flows.
The tomato plants, the fungi, and the soil all interact to sustain each other.
How does the disease in the krill population impact the penguins population
Answers
Answer:
A disease in krill can impact the penguin population because it could infect many penguin and kill them, lowering the population.
Discuss how the patient experiencing problems with the cells repairing from the cut and the child's reproduction development malfunctions can alter haploid and diploid cell development.
Answers
Answer:
Patients with problems related to cells that repair a cut or malfunctions in the development of the child's reproduction are due to failures in the process of cell division —in somatic cells or gametes— which is mitosis and meiosis.
Explanation:
Mitosis and meiosis are processes of cell division that are necessary for the development of life. Both processes involve obtaining two daughter cells from a progenitor cell, where the genetic information contained in the original cell is transmitted to the cells produced.
Through mitosis, somatic cells —diploids— can multiply, allowing the growth and development of an individual, the repair of damaged tissues and the availability of cells needed by the body, such as blood cells. Meiosis, unlike mitosis, occurs in sex cells, giving rise to gametes. These cells have half of the chromosome load —haploids— and when two of them join, a diploid cell is formed, the zygote.A failure in the process of cell division, whether mitosis or meiosis, can have as consequences:
Mitosis: alterations in the growth and development of a living being, as well as difficulty in regenerating tissues, for example cells that cannot repair a cut. Meiosis: failures in meiotic division can cause chromosomal mutations, which alter the body structure or function determined by the altered chromosome, which results in a child's developmental malfunction.Any alteration in the process of cell division can generate changes or alterations that affect an individual, limiting the functions it can perform.
How does the nervous system help the excretory system maintain homeostasis
Answers
Explanation:
The nervous system can detect changes on the salt levels in the blood through urine in the excretory system. The excretory/urinary system help the body maintain homeostasis by filtering waste from blood, getting rid of waste, and regulates fluid levels in the body
Which of the following factors are considered abiotic?
A. Rain
B. Bacteria
C. soil
Answers
Answer:
rain
Explanation:
i did some research and i hope i got this right if it isn't pls let me know
Proteins in the cell membrane that identify the cell are called
A. enzymes
B. transport proteins
C. cell-surface markers
D. receptor proteins
Answers
Answer:
Proteins in the cell membrane that identify the cell are called cell-surface markers (option C).
Explanation:
Cell surface markers are integral membrane proteins, whose function is to identify specific cell lines, allowing intercellular recognition and communication.
The specific type of cell marker provides the basis for cell classification, allowing studies to be performed on immune system cells, stem cells or atypical cells such as those found in cancer.
The other options are not correct because:
A. Enzymes are proteins that participate in metabolic reactions.
B. Transport proteins, although they are also part of membrane proteins, perominate the passage of specific substances through the membrane.
D. Receptor proteins allow the identification of specific molecules, such as hormones, to couple with them and promote actions inside the cell.
Proteins in the cell membrane that identify the cell are called CELL-SURFACE markers (Option C).
Cell surface markers are specific proteins localized on the cell surface or glycoproteins, which can be used as molecular markers that evidence specific cell types/lineages.
For example, cell surface markers can be used for the identification of the lineage and/or phase of differentiation in lymphocytes such as T cells and B cells.
In lymphocytes, the cell surface markers can be divided into three classes: surface immunoglobulins, differentiation antigens, and membrane receptors.
In conclusion, proteins in the cell membrane that identify the cell are called CELL-SURFACE markers (Option C).
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structures under flexor retinaculum
Answers
Answer:
radial brusa and ulnar brusa
Explanation:
median nerve
what level of organization in protein structure are hydrogen bonds within molecules?
Answers
Answer:
Proteins have four levels of organization. Primary structure refers to the linear sequence of the amino acids connected by the peptide bonds. The secondary structure consists of local packing of polypeptide chain into α-helices and β-sheets due to hydrogen bonds between peptide bond – central carbon backbone.
Explanation:
Secondary structure is the level of organization in protein structure where are hydrogen bonds within molecules.
The secondary structure is the folding that the polypeptide chain adopts thanks to the formation of hydrogen bonds between the atoms that form the peptide bond.
Hydrogen bonds are established between the -CO- and -NH- groups of the peptide bond (the first as an H acceptor, and the second as an H donor).
In this way, the polypeptide chain is capable of adopting lower free energy conformations, and therefore more stable.
Several types of conformations can be distinguished that determine the secondary structure of a protein :
α-helices.β-sheets.
Therefore, we can conclude that secondary structure is the level of organization in protein structure where are hydrogen bonds within molecules.
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Name Four agro-processing methods
Answers
Answer:
Canning. The food is heated to a high temperature. ...
Fermentation. The breakdown of sugars by bacteria, yeasts or other microorganisms under anaerobic conditions. ...
Freezing. ...
Modified atmosphere packaging.
Explanation:
Milling, fermentation, drying, and canning are four agro-processing methods.
Milling: It involves the grinding, crushing, or pulverizing of agricultural raw materials such as grains, cereals, or oilseeds to produce flour, meal, or other powdered products.
Fermentation: In agro-processing, It is utilized to produce food and beverage products such as bread, cheese, yogurt, beer, wine, and pickled vegetables.
Drying: It is a method used to remove moisture from agricultural commodities to enhance their shelf life, prevent spoilage, and enable further processing or storage.
Canning: It helps extend the shelf life of perishable food items, including fruits, vegetables, meats, and seafood, by creating a sterile and oxygen-free environment.
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Bacteria that are resistant to more than one antibiotic are called superbugs. Compare the control and antibiotic data from the three farms and select all the true statements.
A: Another superbug was created by using the same method of giving antibiotics to chickens as Monita Farms.
B: Our experiment was a failure.
C: The data for the control farm shows that not administering antibiotics helps to prevent superbug creation.
D: Natural selection is not a possible cause of the superbug creation on Monita Farms.
E: There was no reason to test the control solution.
Answers
Answer:
A and C according to another https://brainly.com/question/22872829
Explanation:
Which is expected to happen during El Niño?
O A. Drought conditions in Australia
O B. Cool temperatures in the equntorial Pacific
O C. An increase in the pressure gradient
O D. Unusually high fish yields in Peru
Helppppp please
Answers
Drought conditions in Australia is expected to happen during El Niño. The correct option is A.
What is El Niño?El Niño is the warm stage of the El Niño-Southern Oscillation, and it is affiliated with a ring of warmer ocean water that forms in the eastern and central equatorial Pacific, along with the area off South America's Pacific coast.
Because of the transition in rainfall away from the western Pacific caused by El Niño, Australian rainfall is typically reduced during winter and spring, especially in the eastern and northern parts of the continent.
Developing countries that depend on agriculture as well as fishing, notably those bordering the Pacific Ocean, are typically the most affected.
The pool of warm water in the Pacific near South America is often at its warmest around Christmas during this phase of the Oscillation.
Thus, the correct option is A.
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4. An increase in calcium concentration in the sarcoplasm will cause which of the following?
A. displacement of troponin tropomyosin complex from the actin binding sites
B. muscle relaxation
C. rapid repolarization of the muscle membrane
D. breaking of the actin/myosin cross-bridges
E. activation of calcium pumps in the sarcoplasmic reticulum
Answers
Answer:
B. muscle relaxation
Explanation:
Sarcoplasmic reticulum store intracellular calcium in skeletal muscle cells.
The concentration of calcium helps in the contraction and relaxation of muscles. During depolarization, the calcium concentration increases that change conformation of troponin and tropomyosin and allows the actin to bind with myosin, resulting into relaxation of the muscle cell.
Hence, the correct option is "B. muscle relaxation".
please help me I will mark him as brainliest
Answers
Answer:
Worms live in the soil. But after a rain, soil pores and worm burrows fill with water. The worms can't get enough oxygen when the soil is flooded, so they come to the surface to breathe.
The ability of large trees and plants to draw water up through there trunks/stem is due to
A. adhesion
B. cohesion
C. hydrogen bonding
D. surface tension
Answers
Answer:
Answer if B, Cohesion
Explanation:
Think about if you had glue and paper, the glue sticks to the paper, the same as water would stick to the sides of the tree/stem, to draw the water up.
PLEASE HELP
In living substances, the hydrolysis of ATP to ADP and P is virtually the sole supply of energy. However, ATP does not release this energy spontaneously but only in cell machinery where some work is being carried out. In such cases, special enzymes (ATPases) are necessary for the hydrolysis of ATP. How does the universality of ATP and the diversity of enzyme systems relate to the unity and diversity of life through evolution?
Answers
Answer
Cells use the hydrolysis of adenosine triphosphate, abbreviated as ATP, as a source of energy. Symbolically, this reaction can be written as
[tex]ATP(aq)+H_{2}0(l)- > ADP(aq)+H_{2} PO\frac{}{4} (aq)[/tex]
where ADP represents adenosine diphosphate. For this reaction, a. Calculate at b. If all the free energy from the metabolism of glucose
[tex]C_{6} H_{12}O_6(s)+6O_2(g)- > 6CO_2(g)+6H_2O(l)[/tex]
goes into forming ATP from ADP, how many ATP molecules can be produced for every molecule of glucose?
[tex]C_6H_1_2O_6(s)+O_2(g)- > 6CO_2(g)+6H_2O(l)[/tex]
goes into forming ATP from ADP, how many ATP molecules can be produced for every molecule of glucose?
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How have increased carbon dioxide levels and temperatures affected living organisms?
Answers
Answer:flowers and other living plants need carbon dioxide but humans need oxygen so human population might decrease of sum like dat
Explanation:
follow the steps outlined below to determine whether each solution is hypotonic, hypertonic, or isotonic to the cell
Answers
Answer:
the solution is hypotonic if there is a lower solute concentration in the solution than in the cell
the solution is isotonic if the solute concentration is equal in the cell and solution
the solution is hyperotonic if there is a higher solute concentration in the solution than in the cell
Why do scientists believe Neanderthals had some interbreeding with AMHs?
Answers
Explanation:
However, in 2016 researchers published a new set of Neanderthal DNA sequences from Altai Cave in Siberia, as well as from Spain and Croatia, that show evidence of human-Neanderthal interbreeding as far back as 100,000 years ago farther back than many previous estimates of humans' migration out of Africa (Kuhlwilm Dec 11, 2020
HELP PLS
The movement of Earth's tectonic plates relate to many factors, including density differences in the plates and
A.
convection cells in Earth's atmosphere.
B.
convection currents in Earth's mantle.
C.
how closely humans monitor plate movements.
D.
the number of species living on each plate.
Answers
Answer:
Convection currents in the Earth's mantle.
Part D
The organism you chose was previously classified by a scientist. What five questions could the scientist ask
that would help classify your organism?
Answers
The scientist could ask:
Is it a Mammal?
Is it similar to any other organism?
What type of habitat does it live in?
What are some of it's behavior attributes?
Is it cold blooded or warm blooded?
The scientist could ask five questions in order to classify the organism are
1. what is the meaning of classification
2. what is the need of classification?
3. why we classify organisms?
4. what are the standard criteria for classification?
5. how do we classify organism?
What is organism classification?
A classification system of organism are used by scientists to divide the all the known organisms into groups based observable features.
This system is otherwise known as taxonomy which is subdivided into subgroups like Kingdom, Phylum, Class, Order, Family, Genus, and Species.
Kingdom is based food intake mechanism, Phylum is based on external symmetric appearance.
Class with significant symmetry, order with an unique characteristics, family belongs to the groups which share more similar characteristics.
Genus is generic name of an organism, species is most strict level of classification.
For example Home sapiens, where Homo is genus and sapiens is species.
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What causes the different layers in our atmosphere?
Answers
Which best describes the outcome of mitosis?
- splits one body cell into two identical body cells
- splits one gamete into two identical body cells
- splits one diploid cell into two genetically unique haploid cells
- fuses two body cells into one diploid cell
Answers
Answer:
Mitosis produces genetically identical daughter cells.
What BEST describes the role of water molecules in the chemical reactions of photosynthesis?
Water molecules are an intermediate c. Water molecules are an input of
of photosynthesis, they absorb light photosynthesis, they split apart and
and pass the energy to chlorophyll supply electrons to chlorophyll to
make glucose
b. Water molecules are an intermediated Water molecules are an output of
of photosynthesis, they are part of the photosynthesis, they are released at
electron transport chain
the end of the electron transport chain
Answers
Answer:
The options to this question is unclear. However, the question will be answered comprehensively.
Water molecules are an input of photosynthesis; they split apart and supply electrons to chlorophyll to make glucose.
Explanation:
Photosynthesis is the unique process through which green plants manufacture their food (glucose). This photosynthetic process occurs in two stages viz: light dependent and light independent stages. The light dependent stage, which occurs in the thylakoid membrane of the chloroplast, involves the synthesis of NADPH and ATP.
Water molecules are reactants (inputs) of this light stage, where they are split by the energy absorbed by chlorophyll in a process called PHOTOLYSIS. Water molecules get split into hydrogen ions (proton), oxygen gas and electrons. The electrons are accepted by NADP+ while the protons are used to build a proton pump for the synthesis of ATP. Both NADPH and ATP are used in the next stage to make glucose.
Which of the following is created by meiosis?
A. Liver cells
B. Sperm cells
C. Unicellular organisms
D. All of the above
Answers
The correct answer would be B, correct me if I'm wrong.
help please i’m in 6th grade
Answers
Answer:
C
Explanation:
For example, if we had to control our heart beat the our life would be at risk all the time.
Wood is a substance that burns in the presence of oxygen. Which best describes this property of wood?
O reactive
O combustible
metallic
O sour
Answers
it is the quality of sound of an instrument
a.fine b.rondo c.timbre d.musical form
Answers
Answer:
I think a( doing this so I can bla bla bla. if police say they will not let you know what is the next step for me and my wife