In addition to transporting oxygen from the lungs to the tissues, hemoglobin is also involved in transporting carbon dioxide from the tissues to the lungs. how is this accomplished?
Answers
The correct option is (C) Carbon dioxide reacts with an amino group to stabilize the deoxyhemoglobin state.
In addition to transporting oxygen from the lungs to the tissues, hemoglobin is also involved in transporting carbon dioxide from the tissues to the lungs where, Carbon dioxide reacts with an amino group to stabilize the deoxyhemoglobin state.
How does hemoglobin contribute to the movement of carbon dioxide from the tissues to the lungs?The transport of carbon dioxide in the blood is influenced by a number of factors. First, blood contains more carbon dioxide soluble molecules than oxygen. The plasma contains 5–7% of the total dissolved carbon dioxide. Second, carbon dioxide can enter red blood cells and bind to hemoglobin or it can bind to plasma proteins. In this form, 10% of the carbon dioxide gets transported. A substance known as carbaminohemoglobin is created when carbon dioxide binds to hemoglobin. Hemoglobin and carbon dioxide can bind to one other again. As a result, when it gets to the lungs, the carbon dioxide can separate from the hemoglobin without restriction and leave the body.Third, the bicarbonate buffer system is responsible for transporting 85% of the carbon dioxide molecules.Learn more about the CO₂ transfer with the help of the given link:
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I understand that the question you are looking for is "In addition to transporting oxygen from the lungs to the tissues, hemoglobin is also involved in transporting carbon dioxide from the tissues to the lungs. How is this accomplished?
A. Carbon dioxide competes for the oxygen-binding site on the heme.
B. Carbon dioxide competes for the 2,3-BPG-binding site.
C. Carbon dioxide reacts with an amino group to stabilize the deoxyhemoglobin state.
D. Carbon dioxide binds to the carboxyl terminus of hemoglobin."
Related Questions
This time period allowed for great advancements in technology and human health but it also led to many environmental problems. 5c
Group of answer choices
agricultural revolution
american revolution
industrial revolution
paleolithic era
Answers
Answer:
C. Industrial Revolution
Explanation:
Took the test ;)
Also, the new machines in the industrial revolution helped human health and of course, advanced technology but the machines and the mining harmed the environment.
suppose you and a friend are making iced tea using identical glasses. You both use the same amount of water, and the water temperature is the same in both glasses. Explain how you can tell who added more ice tea mix to the glass.
Answers
Answer:
Iced-Tea Problem
220 g of 35˚C tea (water) is poured over 250 g of -10˚C ice.
What happens...
The warm water (tea) will cool down to 0˚C. As it cools the ice will heat up to 0˚C and then start to melt.
There is plenty of ice however and only a portion of it will melt. Find the amount of ice that melts into water
and you’ll know the final composition and even the dilution factor on the tea.
Cool tea water down to 0˚C
4.184 J/g˚C · 220 g · 35˚C = 32216.8 J removed to cool tea to 0˚C
Warm ice up to 0˚C
2.09 J/g˚C · 250 g · 10˚C = 5225 J to heat ice up to 0˚C
This heat comes from the cooling water, so substract this amount off the total above
32216.8 - 5225 = 26991.8 J of heat that will MELT the ice
mass of ice melted = 26991.8 / 334 = 80.8 g of ice melted
220 g + 80.8 = 300.8 g of water
250 g - 80.8 = 169.2 g of ice
final mixture for
my glass of iced
tea all at 0˚C
220.0 g original tea
300.8 g final tea
The dilution factor is simply the original volume
over the final volume (or masses here ). = .731 or 73.1%
of the original
concentration
If I’m going to get a dilution of 73.1%, I should
compensate by mixing my tea in 26.9% LESS
volume than the directions state. So I will not dilute
the tea to 2 quarts (64 oz), but rather to 1.462
quarts (46.8 oz).
It’s hot and I want a glass of iced tea as soon as possible. The directions for my tea say to boil some water,
add 2 tea bags (these are the big bags), steep for 4-5 minutes, then add enough water to make 2 quarts which
turns out to be a pitcher of tea. However, if I make this tea the exact concentration I want now, when I pour
it over ice the ice will melt (because the tea will still be quite warm) and my tea will be too dilute. So I
calculate how much stronger I should make the tea KNOWING I will pour the warm tea over ice to make
my glass of iced tea.
(a). What is the final temperature and composition of the glass of iced-tea?
(b). What will be the concentration of the tea relative to the original concentration?
(c). How concentrated should I mix the tea knowing that it will be diluted when
poured over the ice?
(a)
(c)
(b)
only 73.1% of the full
amount to compensate
for dilution
Can someone help me?
Answers
Vestigial structures provide evidence for the evolutionary past of organisms as they show how organisms relate to other organisms.
Vestigial structures are similar to homologous structures in that they provide evidence for evolutionary relationships but they are different in that vestigial structures are no longer in use organisms where they are found.
What are vestigial strucures?Vestigial structures are anatomical features that appear to have no purpose in a specific organism but are present because they served a purpose in the organism's evolutionary ancenstors.
An example of a vestigial structure is the coccyx in humans which once served as a tail.
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At the end of which era did the dinosaurs became extinct?
1. Mesozoic
2. Paleozoic
3. Jurassic
4. Cenozoic
Answers
The Mesozoic era should be the correct answer
Answer:
the answer should b cenozoic
How is a renewable resource different from a nonrenewable one?
A. A renewable resource is more likely to run out.
B. A renewable resource can never be replenished.
C. A renewable resource has a higher demand
D. A renewable re purse is replenished faster than it is used
Answers
Answer:
Explanation:
d
A renewable resource is different from a nonrenewable one by the fact that a renewable resource is replenished faster than it is used. Thus, the correct option for this question is D.
What is a Renewable resource?A renewable resource may be defined as a type of resource that significantly continues to exist in nature despite being consumed or can replenish itself over a period of time even as they are utilized by the organisms.
Examples of renewable resources may include wind power, solar energy, geothermal energy, biomass, etc. These resources are available in nature in unlimited amounts as compared to non-renewable resources.
Therefore, a renewable resource is different from a nonrenewable one by the fact that a renewable resource is replenished faster than it is used. Thus, the correct option for this question is D.
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approximately what percentage of human dna is noncoding (i.e. not part of an exon)?
Answers
Approximately 98% of human DNA is noncoding, which means it does not code for a protein and is not part of an exon.
This noncoding DNA includes introns, regulatory regions, repetitive sequences, and other non-coding elements. Despite its lack of coding potential, noncoding DNA plays important roles in gene expression, regulation, and evolution.
Approximately 98% of human DNA is considered noncoding, meaning it does not directly code for protein synthesis and is not part of exons. These noncoding regions were once dismissed as "junk DNA," but recent research has revealed that they play essential roles in gene regulation, chromosome structure, and other genomic functions.
Noncoding DNA can be further classified into different categories, including introns, intergenic regions, and repetitive elements. Introns are segments within genes that are transcribed but later removed during RNA processing, while intergenic regions are stretches of DNA between genes.
Repetitive elements, such as transposable elements, make up a significant portion of the noncoding DNA and have the ability to move around the genome.
Despite not coding for proteins, noncoding DNA is crucial for proper gene expression and regulation. It contains elements like promoters, enhancers, and silencers that control when and where genes are activated.
Noncoding DNA also contains important structural elements, such as telomeres and centromeres, which maintain chromosome stability and ensure accurate cell division.
Understanding the functions and interactions of noncoding DNA is an active area of research and holds great potential for unraveling the complexities of human biology and disease.
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animals are multiple choice heterotrophic. all of the above answers describe the characteristics of animals. multicellular. eukaryotic. motile.
Answers
Animals are eukaryotic, heterotrophic, multicellular, and motile in nature. Hence, all the options are correct. Animals have more than one cell, cannot produce their own food, and have the ability to move.
What are the basic characteristics of an animal?
An animal is multicellular, as they are made up of many cells, and cells form tissue, tissues form organs, organs form organ systems, and organ systems make up an organism. Animals can't do photosynthesis because they lack chlorophyll. They can move as they have legs, so they are motile. An animal cell has a nucleus and a nuclear membrane. So they are eukaryotic in nature.
Hence, all of the options are correct, as an animal is eukaryotic, heterotroph, multicellular, and motile by nature.
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The question is not in ordered format, the correct question is ,
1) Animals are (multiple choice)
i)heterotrophic
ii)eukaryotic
iii)motile
iv)multicellular
v)all of the above answers describe the characteristics of animals
"Pigments allow photosynthetic organisms to capture_______ is the ""fuel that makes photosynthesis possible. which green Most photosynthetic organisms contain chlorophyll. the pigment that gives them a _______color, however, this color can be masked by other photosystems pigments during certain periods of the year. solar energy chloroplasts The give photosynthesizing cells an orange to yellow to red color. carotenoids The main energy-producing organelles of plants are called ______ and have two major parts."
Answers
Pigments allow photosynthetic organisms to capture solar energy, which is the fuel that makes photosynthesis possible.
Pigments in photosynthesizing cells:
Most photosynthetic organisms contain chlorophyll, the pigment that gives them a green color. However, this color can be masked by other photosystem pigments during certain periods of the year. Carotenoids are the pigments that give photosynthesizing cells an orange-to-yellow-to-red color. The main energy-producing organelles of plants are called chloroplasts and have two major parts.
Role of pigments:
Pigments allow photosynthetic organisms to capture solar energy, which is the fuel that makes photosynthesis possible. Most photosynthetic organisms contain chlorophyll, the pigment that gives them a green color. However, this color can be masked by other pigments, such as carotenoids, during certain periods of the year. Carotenoids give photosynthesizing cells an orange to yellow to red color. The main energy-producing organelles of plants are called chloroplasts, which have two major parts and play a crucial role in photosynthesis.
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dna probes can be used to detect whether or not a specific dna sequence exists in a dna sample. determine which probe can be used to detect each of the target dna sequences shown. one of the probes cannot be used to detect any of the target dna sequences.
Answers
First image is Correct. DNA probes are single-stranded DNA lengths that can be used to detect the presence of target sequences through hybridization.
In order to be detected, DNA probes are typically labeled, for instance with radioisotopes, epitopes, biotin, or fluorophores. A single-stranded DNA or RNA sequence used as a probe is one that is used to look for its corresponding sequence in a sample genome. In order for the probe sequence to hybridize with its complementary sequence, the sample and probe must be in touch.
A single-stranded DNA or RNA sequence known as a probe is used to identify particular DNA or RNA sequences. They are made to be complementary to the relevant region of the genome so that when the probe and the genome are combined, this will happen.
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In "gastrulation" cells begin to differentiate. They form different types of tissues so they can accomplish different purposes in the body.
True or False?
Answers
Answer:
The statement that says that In "gastrulation" cells begin to differentiate and they form different types of tissues so that they can accomplish different purposes in the body, is true.
Explanation:
Gastrulation involves a process of cell division, migration and differentiation, being one of the stages of embryonic development.
Cell differentiation and migration in gastrulation leads to the formation of germ layers, which are responsible for forming different tissues and fulfilling different functions in the body:
The outermost lamina is called the ectoderm, which can give rise to nerve tissue and part of the skin tissue. The mesoderm is the middle lamina, and from it vascular, bone, muscle, and joint tissue can develop, as well as tissues of excretory and reproductive organs. Endoderm corresponds to the internal lamina, forming in great part the mucous membrane of the organs of the digestive system.It is true, then, that In gastrulation cells begin to differentiate and form different types of tissues so they can accomplish different purposes in the body.
The image on the left shows a cell in interphase. The image on the right shows the same cell at a later point in interphase. Based on these images, how has the cell changed?
A. Its spindle fibers have appeared.
B. It has grown larger.
C. It has duplicated its cell organelles.
D. It has made a copy of its DNA.
Answers
The right response is C. Its cell organelles have been replicated. A cell in the interphase is seen on the left-hand picture. The cell is now in the G1 phase, and although the nucleus is visible, the organelles have not yet been replicated.
The identical cell is seen on the right at a later stage of interphase. The cell has reproduced all of its organelles and is currently in the S phase. The figure illustrates this as there are now two sets of organelles rather of just one.
As a result, the cell has altered due to the replication of its cell organelles.
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Help me please!!! N thanksss!
Answers
Answer:
c
Explanation:
I ..........
Answer:
seismic waves caused earthquakes and caused the plates to shift
Explanation:
The more the altitude increases in Earth's atmosphere how does the amount of oxygen and air pressure change?
Answers
Answer:The percentage of oxygen in the air is essentially the same as at sea level (21%). However, the air pressure is 30% lower at the higher altitude
Explanation:The percentage of oxygen in the air at two miles (3.2 km.) is essentially the same as at sea level (21%). However, the air pressure is 30% lower at the higher altitude due to the fact that the atmosphere is less dense--that is, the air molecules are farther apart.
Choose one biodiversity hotspot (for example, the Cape Floristic Region). Briefly describe the geography of the region. How many plant species
are found there? Of those, how many are endemic? Describe some of the conservation measures for protecting the ecosystem in the region
Answers
Answer:
The California Floristic Province (CFP) is located on the Pacific Coast of North America. It has a winter rainfall and summer drought climate similar to other regions such as the Mediterranean basin. It is renowned as the home of the giant Sierra Sequoia tree, as well as the Coastal redwood. The CFP covers over 113 thousand square miles, including 70% of California, southwestern Oregon, western Nevada, and northern Baja California. The CFP is home to over 3,500 plant species, of which 61% are endemic. A total of 37% of the CFP region is now under official conservatory protection as a result of the activities of organizations such as the Sierra Club, Nature Conservancy, Wilderness Society, and the California Native Plant Society.
Explanation: Plato.
With 9,000 species squeezed into its limited area, the Cape Floristic Region has the world's highest non-tropical concentration of higher plant species.
What is the cape floristic region?
The Cape Floristic Zone is a floristic region at South Africa's southernmost point. It is the Cape (South African) Floristic Kingdom's sole floristic area, with only one floristic province, the Cape Floristic Province.The Cape Floristic Region, the world's smallest floral kingdom, is home to approximately 9,000 vascular plant species, 69 percent of which are endemic, and is the world's most diverse and endemism-rich region. The fynbos biome, a Mediterranean-style, fire-prone shrubland, is responsible for most of this richness. The economic value of fynbos biodiversity is estimated to be in the area of R77 million per year, based on harvests of fynbos products (e.g. wildflowers) and eco-tourism.As a result, it is obvious that the Cape Floristic Region is a biodiversity hotspot with both commercial and intrinsic ecological importance.Approximately 69 percent of the region's estimated 9,000 plant species are indigenous or endemic including 1,736 endangered species and 3,087 species of conservation concern.
One of the world's 35 biodiversity hotspots has been named as the Cape Floral Region.
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The myth of the cyclops is based on which of these fossil animals? Elephants/mammoths/mastodons
Answers
The myth of the cyclops is based on the fossil animals known as mammoths. A mammoth is any of various large, hairy, extinct elephants of the family Elephantidae, commonly classified in the genus Mammuthus.
They were prevalent worldwide from the Pliocene epoch (from around 5 million years ago) into the Holocene at about 4,000 years ago and they lived during the Ice Age. These huge animals had large tusks and had a size and shape that was similar to those of elephants. As they roamed the Earth, these majestic creatures left behind enormous fossils, including teeth and bones.
Cyclops myth- According to the ancient Greeks, the cyclops was a mythical giant with a single eye in the center of his forehead. The creature was typically portrayed as a vicious brute who would trap unwary sailors and eat them whole. These legends are thought to have originated from the discovery of huge fossilized bones by people who had never seen such huge animals before and thus found it difficult to imagine how they would have looked when alive.
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Which of the following elements have the highest percentage in terms of frequency in the Earth's crust and human body, respectively? A. Nitrogen, Oxygen B. Oxygen, Silicone. C. Carbon, Oxygen. D. Oxygen, Oxygen
Answers
Answer
The most abundant elements in the human body are oxygen, carbon and hydrogen. Oxygen makes up 65% of the body.
Answer:
Oxygen as it makes up 65% of the body
consider a cell that expresses an ion channel selective for cesium, but no other channels. the channel is open about half the time. you measure the membrane potential of the cell at room temperature and it is 58mv. what can you conclude about the concentration of cesium inside and outside of the cell?
Answers
About the concentration of cesium inside and outside of the cell we can conclude that the inside concentration is higher than the outside concentration.
The action potential is a brief phenomenon which depicts the fast opening and closure of voltage-dependent Na+-selective and K+-selective channels, which are necessary for the responsiveness of biomembranes. A core pore is surrounded by these and is protected by a selectivity filter made up of P-loops from every of the subunits.
Caesium is a delicate, golden-colored metal which reacts violently in water and is immediately attacked by air. Caesium compounds are most frequently used as drilling fluids. In addition, they are utilised in the production of special optical glass, radiation monitoring apparatus, and as a catalytic promoter.
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Timed!!!
The mark and recapture method of determining population size is always more effective than the sampling method.
Please select the best answer from the choices provided
T
F
Answers
Answer:the answer is false
Explanation:
population is maintained by being cancelled out by
Answers
govermemt so yeah thats the answer
सरकार की इच्छा
Explanation:
Population is maintained by being cancelled out by government
Look back at figure 1 in the slide show, name 2 nonliving things you see and explain why the organisms of that habitat need them.
Answers
Answer:
Water and Sun
Explanation:
The organisms of this ecosystem need water and sunlight to grow and function. Without the water and sunlight, the plants would be unable to grow, therefore herbivores would be without food, impacting the carnivore population.
spikes in the shoes of athlete (a) prevents skidding
(b) prevent slipping
(c) increase friction
(d) all of these
Answers
Answer:
Spikes are provided in the shoes of athletes so as to increase the friction and prevents from falling down.
so option C. is the answer
Answer:
spikes in the shoes of athlete increase friction.
Hope it helps :)
Refer to animation: sequence assembly. How do repeated sequences in the genome complicate assembly of fragments? select all that apply
Answers
The repeated sequences in the genome complicate the assembly of fragments, and there are several reasons for this. Repeated sequences can be defined as sequences that exist in various areas of a genome, and these sequences are a significant challenge for researchers and analysts who are working on genome sequencing projects.
These repeated sequences can cause problems during the assembly of fragments for the following reasons:
1. Duplication: When the repeated sequences occur in large numbers and are relatively long, they can cause problems during the assembly process because the algorithm will not be able to distinguish between different regions of the genome that share the same sequence.
2. Overlap: Because the fragments can have multiple copies of the same sequence, it can be difficult to determine where the fragments overlap, making the assembly process more complicated.
3. Ambiguity: Repeated sequences can cause problems during the assembly process because the algorithm can become confused about which sequence belongs to which region of the genome.
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some prokaryotic and all eukaryotic cells use oxygen to harvest energy from food molecules. in what form is that harvested energy available to power cell work?
Answers
Answer: The harvested energy is available in the form of ATP to power cell work.
What is cellular respiration?
Cellular respiration is the process of breaking down glucose to produce ATP. The majority of living organisms undergo cellular respiration to generate energy. In the process, oxygen is consumed, and carbon dioxide is released. It is divided into three phases: glycolysis, the Krebs cycle, and the electron transport chain.
In which form is the harvested energy available to power cell work?
ATP, or adenosine triphosphate, is the type of energy that is stored in cells and used to power various cell functions. During cellular respiration, the energy harvested from food molecules is stored in ATP. This energy is used to power cell work such as muscle contractions, active transport of molecules across the cell membrane, and biosynthesis of molecules like proteins and lipids, to name a few.
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Which organelle stores the information that determines an individual's hair color?
A. Organelle 1
B. Organelle 2
C. Organelle 3
D. Organelle 4
Answers
The organelle that stores the information that determines an individual's hair color is the nucleus. The genetic information or DNA, which contains the instructions for making proteins including those that determine hair color, is stored in the nucleus of cells.
The nucleus is the organelle that contains the data that establishes a person's hair color. Chromosomes in the nucleus include genes that are responsible for a number of characteristics, including hair color. Melanin, the pigment that gives hair its colour, is produced according to the instructions provided by these genes. Blonde, brown, black, or red hair can all be produced by different variations of these genes. Therefore, each cell's nucleus contains DNA, which contains the information about hair color.
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Complete question is:
The diagram below shows parts of the cell. Which organelle stores the information that
determines an individual's blood type?
Organelle 1
Organelle 2
Organelle 3
Organelle 4
Which of the following animals belongs in class Cepholopoda?
1. snails
2. octopuses
3. glass sponges
4. jellyfish
Answers
Answer:
2. octopuses
Explanation:
A cephalopod is any member of the molluscan class Cephalopoda such as a squid, octopus, cuttlefish, or nautilus.
Octopuses belongs in class Cepholopoda. So, the correct option is (B).
What is Cephalopod?A cephalopod is defined as any member of the molluscan class Cephalopoda such as a squid, octopus, cuttlefish, or nautilus where specifically marine animals with bilateral body symmetry, a prominent head, and arms modified from primitive molluscs or is characterized by a set of tangents foot. These animals use gills to breathe and are invertebrates (lack backbones).
Cephalopods are most notable for their many arms and soft bodies, while ancestral cephalopods are known mostly from their shells because they are well preserved as fossils. The octopus, squid, cuttlefish, and chambered nautilus are familiar representatives.
Thus, Octopuses belongs in class Cepholopoda. So, the correct option is (B).
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What’s typically larger a plant cell or a blood cell
Answers
Answer:
Plant cell
Explanation:
plant cell is bigger in diameter than red blood cell
I will mark brainliest
Answers
Answer:
An important term in genetics that was not used by Mendel was the word "gene", a particle of the chromosome responsible for the traits of a living being. The molecule discovered by Oswald Avery - related to genes and inheritance - was DNA, a discovery he made in 1944.
Explanation:
Despite being considered the father of genetics and providing important information about the inheritance of traits, Mendel did not go so far as to use the term "gene," which is where the alleles responsible for those traits reside. The term "gene" was first used by another botanist, Wilhelm Johanssen, who in 1909 proposed the use of the word gene as the name of the particle responsible for inheritance.
In 1944, the Canadian physician Oswald Avery, faced with the mistaken belief that genes were found in proteins, proposed an experiment where he discovered that the molecule responsible for heredity was deoxyribonucleic acid, or DNA.
Which description refers to short-range forecasts?
cover five days or less
do not require computers
cover more than 10 days
impacted by butterfly effect
Answers
Answer: Cover five days or less
Explanation:
Cover five days or less is the correct answer because in short range forecasts , high goals models are Majorly used for this and are Majorly the atmospheric model which require the use of high quality personal computers and these PCs normally require five days to foresee guage of the independent model investigation and short range conjecture normally require 0.5 to 2.5 days which normally use to get the isobar or weight.
Therefore, short range forecast cover 5 days or less.
Answer:
a
Explanation:
methylation regulates transcription a. via the addition of a methyl group to cytosine bases of dna. b. via the addition of a methyl group to cytosine residues on rna polymerase ii. c. via the addition of a methyl group to cysteine residues on rna polymerase ii. d. via the addition of a methyl group to cysteine bases of dna.
Answers
Option A, methylation regulates transcription via the addition of a methyl group to cytosine bases of DNA.
DNA methylation controls gene expression by attracting proteins implicated in gene repression or by preventing transcription factor(s) from binding to DNA. De novo DNA methylation and demethylation both play active roles in the dynamic process that alters the pattern of DNA methylation in the genome during development. DNA methylation, in general, inhibits transcription, and loss of methylation is linked to gene activation. In rare circumstances, DNA methylation might directly obstruct the binding of transcription factors.
The complete question is:
Methylation regulates transcription
a. via the addition of a methyl group to cytosine bases of DNA
b. via the addition of a methyl group to cysteine residues on RNA polymerase II
c. via the addition of a methyl group to cysteine basses of DNA
d. via the addition of a methyl group to cytosine resides on RNA polymerase II
e. by interfering with the chromatin remodeling process
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Identifying Passive and Active Transport
Fill in the blanks with the correct words.
The movement of molecules from an area of low concentration to an area of high concentration occurs in
transport
In
transport
, molecules move from an area of high concentration to an area of low concentration
Answers
Answer:
osmosis and diffusion respectively
Explanation:
osmosis is the first one and diffusion is the second one