Since in RNA Cytosine(C) binds with guanine(G) and thymine(T) binds with adenine(T) the anticodon for
the mRNA codon is GCA
the tRNA anticodon is CGU
What part of the cell is considered the control center in
Eukarayotes
Answer:
Nucleus
Explanation:
The nucleus is defined as a large membrane-enclosed structure that contains the cell's genetic material in the form of DNA in eukaryotes. It is the control center of the cell and dictates what all of the other organelles do.
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Which of the following situations best demonstrates Newton's 3rd Law of Motion? (DOK 1, AKS 8b)
OA Aboy throws a football farther than his friend.
OB. A soccer ball is at rest on the feld.
OC. Afireman turns on his hose and he is knocked backwards.
O
D. The water is falling down the cliff to form a waterfall.
Answer:
The best demostration that applies to Newton's Third Law of motion would be D) When you walk your foot pushes down on the ground while the ground pushes back on your foot.
Explanation:Newton's Third Law states that for every action, there is an equal and opposite reaction. This is actually explains that forces come in pairs and forces are an interaction between two objects. As per the correct option given in the question explains Newton’s Third Law.
When you walk your foot (say object A) pushes down on the ground while the ground (say object Q) pushes back on your foot with the same force but in the opposite direction.
Match each word or phrase with its definition. Note that not all definitions will be used. - Polygenic traits - Quantitative traits - Monozygotic twins - Dizygotic twins - Short tandem repeats - Transcription - Ribonucleic acid - Mutation - Stem cell - Reproductive cloning A. An undifferentiated cell that has not yet been programmed and can become any type of cell B. A subconscious framework C. Traits that are influenced by more than one gene D. A cell that results from in vitro fertilization E. Replacing defective genes with functional genes F. Genetic engineering that exactly duplicates an organism G. Identical twins H. Making mRNA from DNA I. Traits that have a lot of variance in a population J. A change in the DNA sequence K. Fraternal twins L. Thirteen DNA sequences that all humans carry M. Traits that involve the actions of many genes but also interact with the environment N. Uses ribose as the sugar in the nucleotide
Answer:
A. An undifferentiated cell that has not yet been programmed and can become any type of cell = Stem cell
C. Traits that are influenced by more than one gene = Polygenic traits
F. Genetic engineering that exactly duplicates an organism = Reproductive cloning
G. Identical twins = Monozygotic twins
H. Making mRNA from DNA = Transcription
J. A change in the DNA sequence = Mutation
K. Fraternal twins = Dizygotic twins
L. Thirteen DNA sequences that all humans carry = Short tandem repeats
M. Traits that involve the actions of many genes but also interact with the environment = Quantitative traits
N. Uses ribose as the sugar in the nucleotide = Ribonucleic acid
Explanation:
Stem cells are undifferentiated cells that are capable of self-renewal or differentiation into many different types of cells. Polygenic traits are phenotypic traits influenced by two or more genes, while quantitative traits are phenotypic features controlled by the combined effects of many genes and environmental factors. Reproductive cloning is a laboratory technique used to produce genetically identical individuals from mature somatic cells. Monozygotic twins are identical twins obtained by fertilization of a single egg cell which then splits in two, while dizygotic twins are generated by fertilization of two different eggs. Transcription is the process where the genetic information contained in a strand of DNA is copied into a particular type of RNA (mRNA, tRNA, ncRNA, etc). A mutation is a genetic alteration in the DNA sequence of a cell of a living organism that is produced during DNA replication. Short tandem repeats (STRs) are repeated DNA sequences (2-16 nucleotides, two or more times) that are adjacent to each other. In humans, there are 13 well-characterized STR sequences known to be associated with populations of different ethnic groups.
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Rocks and minerals activity Reflection questions:
1. Describe the ways mining in the real world can affect society, ecosystems, and the environment of a specific region.
2. Using your answers to the question above, list the criteria you believe should be addressed by land reclamation. Prioritize your criteria by order of importance. Explain the order you selected for your criteria.
3. Complete redamation of mined land is the solution you practiced in this cookie mining lab. What reasoning supports this solution as one that will provide the largest benefits and least costs to society and the environment ?
4. Legislation requiring the reclamation of the land makes mining more expensive. How important is this constraint to achieving complete reclamation of mined land?
Answer:
1. Across the world, mining contributes to erosion, sinkholes, deforestation, loss of biodiversity, significant use of water resources, dammed rivers and ponded waters, wastewater disposal issues, acid mine drainage and contamination of soil, ground and surface water, all of which can lead to health issues in local.. 2.Mining in the real world can affect society, ecosystems, and the environment of a specific region because all the minerals that you are looking for won't be right where you want them to be. It is not going to be in the same area. Instead, it will be scattered throughout the mines and you will have to search for them. 3.Students act as mining engineers and simulate ore mining production by using chocolate chip cookies. They focus on the cost-benefit analysis of the chocolate ore production throughout the simulation, which helps them understand the cost of production. As students “mine” with tools such as paperclips and toothpicks, they keep records of their costs—land (cookie), equipment used, cookie size before and after production, and time spent. While the goal is to make as much profit as possible, other costs and goals are taken into consideration—as in real-world mining engineering. For example, mining engineers also consider the resulting amount of destruction to the lithosphere when deciding the best method to obtain ore. Thus, a line item for land reclamation cost is included from the beginning. A provided worksheet serves as a profit and loss statement. 4.Mine reclamation is the process of restoring land that has been mined to a natural or economically usable state. Although the process of mine reclamation occurs once mining is completed, the planning of mine reclamation activities occurs prior to a mine being permitted or started.
Explanation:
i don't have a explanation but i hope this helps
The extraction of minerals or other geological elements from the earth is known as mining.
How does mining affect society, ecosystems, and the environment?Society: Mining increases social conflicts, causes relocation of the community, affects the health of humans and animals and causes loss of land. However, it helps increase economic growth. Ecosystem: Mining adversely affects biodiversity and destroys the habitat.Environment: Mining causes erosion, sinkholes, deforestation, overuse of water resources, waste disposal issues, acidification of soils and water bodies, and their contamination.What is land reclamation?It is the process by which the mined lands are filled, thereby producing land that can be used. They can be used to restore the environment. However, the ecosystem and society's restoration takes a long time.
Is it beneficial?While the land that cannot be used now has been restored, the materials that have been used have been taken from a source, and that can lead to changes in the ecosystem at the source.
What is the reasoning that supports land reclamation as the solution?The goal is to produce as much profit as feasible. When determining the optimum approach to collecting ore, mining engineers, take into account the amount of lithosphere destruction, and hence, from the start, land reclamation costs are included.
What is the role of mine reclamation legislation?It ensures that land reclamation activities are planned before a mine is licensed or started.
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What would a doctor most likely observe in a patient with a disease affecting the muscular system?
Answer:
I would say difficulty standing or lifting objects.
Explanation:
To see if muscles are intact.
Name five phycocolloids
Answer:
ALGAE
…walls of many seaweeds contain phycocolloids (algal colloids) that can be extracted by hot water. The three major phycocolloids are alginates, agars, and carrageenans. Alginates are extracted primarily from brown seaweeds, and agar and carrageenan are extracted from red seaweeds. These phycocolloids are polymers of chemically modified sugar molecules, such…
Explanation:
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how many basic plant cell
ᴅᴏɴᴛ ɢᴏ ᴛᴏ ʙʀᴀɪɴʟʏ.ᴛᴏᴅᴀʏ! ᴛʜᴇʏ ᴡɪʟʟ ʜᴀᴄᴋ ʏᴏᴜ ᴀɴᴅ ꜱᴄᴀᴍ ʏᴏᴜ! ᴍʏ ɢʀᴀɴᴅᴘᴀ ɢᴏᴛ ʜᴀᴄᴋᴇᴅ ʜᴇʀᴇ! ɪᴛ ɪꜱ ᴀ ʙɪɢ ᴘʀᴏꜰᴀɴɪᴛʏ ꜱɪᴛᴇ! ᴛʜᴇʀᴇ ᴀʀᴇ ʙᴏᴛꜱ ᴏɴ ʙʀᴀɪɴʟʏ ᴛʀʏɪɴɢ ᴛᴏ ɢᴇᴛ ʏᴏᴜ ᴛᴏ ᴛʜɪꜱ ᴡᴇʙꜱɪᴛᴇ! ᴅᴏɴᴛ ʟᴇᴛ ᴛʜᴇᴍ ᴡɪɴ! ꜱᴘʀᴇᴀᴅ ᴛʜɪꜱ ᴛᴏ ᴏᴛʜᴇʀ ᴄᴏᴍᴍᴇɴᴛ ꜱᴇᴄᴛɪᴏɴꜱ! ꜱᴘʀᴇᴀᴅ ᴛʜᴇ ᴡᴏʀᴅ!
DONT BELIEVE ME?
THEY STOLE $50 FROM MY GRANDPA'S PAYPAL !!!
Explanation:
There are three basic types of cells in most plants. These cells make up ground tissue, which will be discussed in another concept. The three types of cells are described in Table below. The different types of plant cells have different structures and functions.
In a two-compartment model of a cell with a K - and Cl --permeable membrane and a 10-fold excess of KCl in the inside compartment, how would the membrane potential change if all the beginning KCl solutions (including inside and outside) were replaced by NaCl
Answer:
When the solutions (including inside and outside) were replaced by NaCl, the membrane potential changes from a negative value of -60 mV to a positive value of + 60 mV.
Explanation:
According to the Nernst equation the potential of the membrane for a two-compartment model of a cell for positive gradient of K⁺ ions is V = - 60 mVlogK'/K where K' = inside concentration of K⁺ ions and K = outside concentration of K⁺ ions. For a 10 fold excess of KCl in the inside compartment, K'/K = 10. So,
V = - 60 mVlogK'/K = - 60 mVlog10 = -60 mV.
For a negative gradient of Na ions is V = + 60 mVlogK'/K where K' = inside concentration of Na⁺ ions and K = outside concentration of Na⁺ ions. (Since the cell is selectively permeable to Na⁺ ions. So, Na ions to not flow out but in.)For a 10 fold excess of NaCl in the inside compartment, K'/K = 10. So,
V = + 60 mVlogK'/K = + 60 mVlog10 = +60 mV.
So, when the solutions (including inside and outside) were replaced by NaCl, the membrane potential changes from a negative value of -60 mV to a positive value of + 60 mV.
What is the role of energy in living organisms? Is it a more or less important role than other characteristics of life? Defend your response.
Answer:
l
Explanation:
The relationship between kinetic energy and speed is ____ proportional.
Answer:
Directly
Explanation:
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The relationship between kinetic energy and speed is directly proportional.
What is kinetic energy?The energy an object has as a result of motion is known as kinetic energy. A force must be applied to an object in order to accelerate it. We must put in effort in order to apply a force.
After the work is finished, energy is transferred to the item, which then moves at a new, constant speed.
The human body produces kinetic energy while it is in motion. For instance, when a person runs, their legs and feet build up kinetic energy, which is typically turned to heat.
An object's kinetic energy is directly inversely related to its square of speed. So, the kinetic energy will multiply by four for every twofold rise in speed.
Thus, it can be concluded that kinetic energy is directly proportional to speed.
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Cell biology is the field of biology that studies?
Answer:
Cell biology is the subdiscipline of biology that studies the basic unit of life, the cell. It deals with all aspects of the cell including cell anatomy, cell division (mitosis and meiosis), and cell processes including cell respiration and cell death.
Explanation:
Plz fill in the blanks with the appropriate words. (theres no word bank)
What do mutated proto-oncogenes cause?
Answer: Bad gene
Explanation:
They can cause and become a ''bad'' gene, a gene that is not good.
That gen is not good because it can become permanently activated or turned on in the times where it is not supposed to happen and because of that cell can grow out of control. When a cell is growing out of control it can be really bad because it can cause cancer.
What does a base release when it is dissolved?
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Use the information below to answer the following questions.
Melody has a part-time job working in a greenhouse. The greenhouse has glass walls and ceiling and a dirt floor. Automatic sprinklers come on several times each day to keep the plants in the greenhouse moist. Melody notices that water droplets often appear on the glass walls and ceiling and run down to the ground, even when the sprinklers are turned off. This effect is much more obvious on cool, sunny days.
Write an answer for the following question in the space provided.
Explain step-by-step how energy from sunlight results in more water running down the glass walls of the greenhouse.
Answer:
this demonstates the greenhouse effect.
Explanation:
sunlight radiates into the glass house. the glass intensifies the rays, causing the temperature in the room to rise. any water caught in the room, even once the sprinklers are turned off, will get even more humid, causing condensation on the glass so it appears like fresh ran on the surface of the glass. hope this helps! :) now hurry up and turn this in before its late!!!!!
Plant cells and bacteria both have cell walls. Many antibiotics work by breaking down the proteins that make up the cell wall, so bacteria become vulnerable to the human body's immune system.
Answer:
what do you need to know?
Explanation:
I learned about this in bio last year, maybe I can help
The plant cell wall is made up of cellulose and the bacterial cell wall is made up of peptidoglycan.
What is a cell wall?The cell wall is a protective covering found in plants and bacteria. When bacterial cell attacks the human system lysozymes are some kind of enzymes that degrades the human system.
Penicillin and lysozyme both affect the cell walls of bacteria. When bacteria divide, penicillin weakens their cell walls, causing them to burst and perish from osmotic pressure.
A little enzyme called lysozyme breaks down a bacterium's protective cell wall by attacking it.
Therefore, The plant cell wall is made up of cellulose, and the bacterial cell wall is made up of peptidoglycan.
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The diagram below shows the main parts of the respiratory system.
Nose
ch
3
Lungs
Diaphragm
Which of these correctly names the parts of the respiratory system numbered 1
through 5 in the diagram above?
A 1. larynx, 2. pharynx, 3. trachea, 4. bronchi, 5. alveoli
B 1. pharynx, 2. larynx, 3. trachea, 4. bronchi, 5. alveoli
C 1. pharynx, 2. larynx, 3. bronchi, 4. trachea, 5. alveoli
Answer i belive it is C my frined if not then here a cookie my friend
Explanation:
Which circumstance can cause negative population growth?
O A. The death rate is higher than the birthrate.
OB. The emigration rate is lower than the birthrate.
C. The birthrate is higher than the death rate.
O D. The immigration rate is the same as the birthrate.
Subnit
Secetory Veside
Lysosome
Golgi apparatus
Plasna membrane
According to the Endosymbiotic Theory, infoldings in the cell membrane of an ancestral prokaryotic cell gave rise to endomembrane
components, including the nucleus, endoplasrnic reticulum and qolgi apparatus in what would become eukaryotic cells. The evolution
of endomembrane components provided for compartmentalization in eukaryotes, leading to more efficiency in cell processes. Which
part of the endornembrane system provides a mechanism for transporting proteins from the rough ER to the golgi apparatus?
)
A)
vesicle
B)
lysosome
smooth ER
D)
peroxisome
Hint
Answer:
A) vesicle
Explanation:
As described in this question, the endomembrane system is a system of membrane-bound organelles in eukaryotic cells that functions in the synthesis, packaging, modification, and transportation of lipids and proteins in the cell. The organelles that make up the endomembrane system includes: Secetory Veside, Lysosome, Golgi apparatus, Plasna membrane, endoplasmic reticulum etc.
According to this question, the part of the endornembrane system that provides a mechanism for transporting proteins from the rough ER, which synthesizes it to the golgi apparatus, where it is modified and packaged is VESICLES. Vesicles are membranous cellular organelles that function mainly in the transport of materials e.g proteins
please help with this!! it’s just fill in the blank and it has the word bank
Answer:
top left: centriole
bottom left: Spindle
Top right: homologous chromosomes
bottom right: crossing over of chromosomes
Explanation:
Describe how and why varnishes are used in the restoration process
Answer: A cavity varnish provides a barrier against fluid penetration into the underlying dentin. When applied to dentin, a varnish may reduce postoperative sensitivity and limit migration of corrosion products into dentin, thereby reducing tooth discoloration. RMGI liner/base products seal the tooth and strongly bond to the restoration to reduce the incidence of microleakage between the tooth and the restoration. ... Reduces postoperative sensitivity — RMGI liner/bases offer a strong bond to the tooth, sealing the tooth structure to protect against microleakage.
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Which level of organization is pictured?
A. cell
B. tissue
C. organ
D. organ system
cell is the correct ans
the building blocks for this molecule are amino acid?
The right to vote in the original Constitution was granted to
Answer:
Only white men aged 21 and older who owned land could vote in the original Constitution.
Explanation:
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Which two types of organisms are found in the domain Eukarya?
O A. Fungi
O B. Archaea
O C. Plants
O D. Bacteria
Fungi and Plants are the two types of organisms are found in the domain Eukarya. The correct options are A and C.
Thus, numerous creatures with intricate cell architecture, including a separate nucleus and membrane-bound organelles, are included in the domain Eukarya. This domain includes fungi, which include yeast and mushrooms and are recognized for their distinctive means of getting nutrients and breaking down organic materials.
Algae, trees, and flowering plants all fall under the umbrella of the eukaryotic kingdom. Their capacity to carry out photosynthesis and transform sunlight into energy defines them. Fungi and plants both share key characteristics that set them apart from Archaea and Bacteria, which are members of separate domains and have unique cellular structures and genetic make-ups.
Thus, the ideal selection is option A and C.
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Biochemical cycles are an intricate factor for life on earth. They provide consumers and producers with the components they need to live and grow. To a
complex ecosystem such as Earth, environmental changes such as an increase in greenhouse gases can have dramatic effects. However, not all
biochemical cycles are affected equally by such changes.
Which major cycle is LEAST negatively influenced by an increase in greenhouse gases and why?
A.Carbon cycle, because the greenhouse gas is the major component of the carbon cycle.
B.Phosphorus cycle, because it is a biogeochemical cycle and does not involve the atmosphere.
C.Oxygen cycle, because oxygen can buffer greenhouse gases by binding to it and converting it with hydrogen to water.
D.Nitrogen cycle, because the atmosphere already has very low amounts of nitrogen, and greenhouse gas converts nitrogen into nitric
oxide.
Answer:B. Phosphorus cycle, because it is a biogeochemical cycle and does not involve the atmosphere
Explanation:
help help help help help help help help help help help
Answer:
go with what the other guy said
Explanation:
What cell part is described as the organic material between the membrane and nucleus, which contains a variety of tiny bodies or organelles?
A. Cytoplasm
B. Mitochondria
C. Cell Wall
D. Golgi Complex
E. Chloroplasts
F. Endoplasmic Reticulum
i believe the answer is A
important tasks a cell must complete to divide
Answer:
Cells must divide to perform functions such as growth of the organism, replacement of damaged or old cells, and asexual reproduction in some organisms.
Explanation:
Answer:
To divide, a cell must complete several important tasks: it must grow, copy its genetic material (DNA), and physically split into two daughter cells.
Explanation:
Cells perform these tasks in an organized, predictable series of steps that make up the cell cycle.
An early step in the process of carbon fixation combines three molecules of CO2 with three molecules of RuBP to produce three 6-carbon molecules, which are immediately converted to six 3-carbon molecules. These six molecules are phosphorylated and reduced to produce glyceraldehyde 3-phosphate (G3P). What additional events occur to complete the Calvin cycle
Answer:
release of one G3P to make sugars and regeneration of RuBP
Explanation:
The Calvin cycle can be defined as a part of photosynthesis that utilizes the energy stored by light-dependent reactions to produce three-carbon sugars. The first carbohydrate produced by the Calvin cycle is a three-carbon sugar phosphate called glyceraldehyde-3-phosphate (G3P). Subsequently, G3P is used to produce other sugar molecules such as, for example, glucose. The Calvin cycle consists of three steps: 1-carboxylation (by using CO2 in a reaction catalyzed by Rubisco enzyme), 2-reduction of phosphoglycerate (ATP phosphorylation), and 3-regeneration of ribulose-bis-phosphate (RuBP) by using triose phosphates produced in the first two steps.