What enzyme makes mRNA?

Answers

Answer 1
Answer: RNA polymerase II hope this helps if not comment back and I’ll reply
Answer 2

Answer:

RNA polymerase II

Explanation:


Related Questions

What is the role of nitrogen-fixing organisms?

Answers

Answer:

Nitrogen-fixing bacteria, microorganisms capable of transforming atmospheric nitrogen into fixed nitrogen.More than 90 percent of all nitrogen fixation is effected by these organisms, which thus play an important role in the nitrogen cycle.

What does disease mean?

Answers

Answer:

(Desease) mean that its a flue..some of animals have deseases even humans and other.. example of deases are CANCER IN bones etc..)

Explanation:

Hope it helps!!

Answer:

The condition of malfunctioning or unusual functioning of body or organs is known as disease. it might be due to genetic, pathological or physical reasons or even due to lack of intake of proper diet and lack of enough sleep. it is classified into two types:

communicable and non communicable.

An enzyme called tyroinae produced the dark compound in kin (melanin). I’m albinim, thi enzyme doe not work or i not preent. Explain how each mutation could be reponible for Albinim

Answers

The majority of TYR mutations render tyrosinase inactive, preventing melanocytes from ever generating melanin. Type 1A oculocutaneous albinism is a result of several mutations (OCA1A).

The term "albinism" typically refers to oculocutaneous albinism, a group of genetic illnesses wherein the body produces little to no melanin. Your skin, hair, and eye colors are all influenced by the type and quantity of melanin in your body. Because melanin is involved in the growth and operation of the eyes as well, albinos have vision issues.

Albinism symptoms are typically visible in a person's skin, hair, and eye color, however sometimes there are minute variations. Due to their sensitivity to the sun's effects, people with albinism are more likely to get skin cancer.

Albinism has no known treatment, but those who have the condition can take precautions to protect their skin.

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The illustration shows structures into animals these are known as??? helpp

Answers

D. Homologous structures

A tumor that can be removed or carved out is part of what type of cancer whats the answer!!! for a test question

Answers

Answer:

im not really sure but i think its ovarian cancer if thats in one of your options.. maybe skin cancer if its not in ur options.

Explanation:

How much greater are the discharge rates than the recharge rates of the Ogallala Aquifer?

Answers

The recharge rate of the Ogallala Aquifer is estimated to be between 0.1 and 0.2 inches per year.

What is Ogallala Aquifer?

The Ogallala Aquifer is a vast underground aquifer system located in the Great Plains region of the United States. It is one of the world's largest aquifers, covering an area of around 174,000 square miles across eight states, from South Dakota to Texas. It is an important source of water for agricultural, industrial, and municipal uses.

The discharge rate is estimated to be between 0.3 and 0.6 inches per year. This means that the discharge rate is between three and six times greater than the recharge rate.

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How does the cycling of carbon follow the Law of Conservation of Mass and Energy?

Answers

Answer:

The carbon cycle is an example of the Law because the same carbon atoms are being recycled through the carbon cycle.

Explanation:

The law states matter cannot be created or destroyed. So the carbon cycle backs that up since it is being reused.

Explain how abiotic factors can have influence on the survival for individuals through natural selection.

Answers

Selection: Organisms live within ecosystems, which are made up of various biotic and abiotic factors. These factors contribute to selecting which variations provide the individual with an increased chance of surviving. ... Examples of abiotic factors include temperature, shelter, sunlight, water and nutrients.

Answer:

Biotic and abiotic factors are the environmental conditions that the organisms have to face to live in a specified environment.

Abiotic factors

Abiotic factors are the physical and chemical conditions of an environment. For example : heat, salinity, pressure, light, wind, pH ...

Biotic factors

Biotic factors are all the biological conditions of an environment for a specie/taxa. It can include prey and predator abundance, available food amount, available space, intra and interspecific competition...

The development of organims is under the control of abiotic factors. Some are adapted to heat, cold etc ... The abiotic factors will define which organisms are able or not to live in a specified place.

The living organisms will constitute the biotic factors, which define if and how can an organism live in a specified environment.

So, the abiotic factors are controling the biotic factors of an environment.

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What essential criteria must be met in order to execute a successful mapping cross? (Select all the statements that apply.)
A. One parent should be heterozygous and the other homozygous recessive for all the genes being mapped.
B. The genotypes of the offspring must be readily determined from their phenotypes.
C. One parent should be homozygous dominant and the other homozygous recessive for all the genes being mapped.
D. Recombination must occur in the sex that displays genetic heterogeneity.

Answers

The genotypes of the offspring must be readily determined from their phenotypes.  

What is the genotypes of AA?

A heterozygous individual has two different alleles. Therefore it would have the genotype Aa. An individual with the genotype Aa can make two types of gametes: A and a. Since this is a random process, the individual will, on average, make equal numbers of each gamete.

What is a genotype and give an example?

A genotype is a scoring of the type of variant present at a given location (i.e., a locus) in the genome. It can be represented by symbols. For example, BB, Bb, bb could be used to represent a given variant in a gene.

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Did unicellular or multicellular life appear first ?

Answers

Answer:

unicellular life first

Explanation:

it arose billions of years ago while multicellular life forms around at least 600 million years ago

True or False: An action potential in one section of the membrane can cause the initiation of an action potential in adjacent sections of the membrane.

Answers

True , This is the concept of axonal action potential propagation! Positive charges accumulate on subsequent regions of the membrane as a result of depolarization caused by an initiated action potential on one segment of the axon.

This local depolarization can cause an action potential to move along the axon by causing depolarization along the neighboring segment of the membrane.

Voltage-gated sodium channels open and close in milliseconds. As the cell membrane depolarizes, sodium channels open, allowing sodium ions to enter and further depolarize the membrane. This inward current causes the action potential to rise.

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Which of the following is an example of positive feedback
A Body shivers to generate heat
B Blood vessels dilate to lower temperature
Blood clotting
D Regulation of blood sugar

Answers

Answer:

a the body shivers to generate heat

Question:

Which of the following is an example of positive feedback?

Answer: CORRECT (SELECTED)

A blood clot inducing more blood clotting.

Explanation:

Positive feedback loops amplify the starting signal. In this case, the clotting of blood stimulates more blood to clot.

How will the positive and negative transcription factor help maintain the homeostasis of the body system. Explain with an example

Answers

The positive transcription factor will help in maintaining the stimulus for homeostasis or even accelerate it. Whereas the negative transcription factor will oppose the effect of the stimulus, it can either increase it or decrease it.

Homeostasis is the maintenance of a steady and equilibrated physical, chemical and internal state of the body. The example of positive transcription factor is: activation of one clotting factor in the body initiates a cascade for the activation of all the other clotting factors.

Negative transcription factor has the example of blood glucose levels of the body. If the level increase transcription factors cause the release of insulin from the pancreatic cells to maintain the homeostasis.

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Which adaptations allow thermophiles, a type of bacteria, to live within the hot springs of Yellowstone National Park

Answers

The ability to live in a highly acidic environment and the ability to withstand very hot temperatures are the adaptations that allow thermophiles, a type of bacteria, to live within the hot springs of Yellowstone National Park.

what is Adaptation?

Adaptation is the physical or behavioural characteristic of an organism that helps an organism to survive better in the surrounding environment.

The main feature of Yellowstone National Park is the presence of very hot and acidic water. Starting as rain on the surface, water from hot springs seeps through the bedrock beneath Yellowstone and is superheated by Yellowstone's magma system.

Thermophilic proteins have several adaptations that give them the ability to maintain structure and function at extreme temperatures. Thermophiles, for example, have specialized enzymes that use additional hydrogen bonds, salt bridges, and disulfide bonds to resist denaturation at very high temperatures, strengthening proteins to resist unfolding increase.

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Is calico genetically dominant or recessive?

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The calico cat displays a mixture of red- and black-based colors, depending on which of its two X chromosomes has been inactivated. The allele coding for orange hair color is dominant, while the allele for black color is recessive - although this doesn`t matter much since only one allele is expressed.

Because the genetic determination of coat colors in calico cats is linked to the X chromosome, calicoes are nearly always female, with one color linked to the maternal X chromosome and a second color linked to the paternal X chromosome.

To create a calico (or tortoise-shell) pattern, one of the X chromosomes must carry the black gene and the other the orange gene. If a black male and an orange female mate, the result will be a half-black and half-orange female offspring-a calico. A black female and an orange male will also produce a calico female.

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Explain how artificial selection could lead to a change?

Answers

Answer:

While artificial selection is certainly a form of experimental evolution, often the meaning of the term 'experimental evolution' is confined to controlled natural selection, excluding artificial selection

Explanation:

Graph 5- Survivorship Curves Using your textbook or an online resource, determine the differences between K-selected species and r-selected species. Next, use the graph below to answer question 24.

Answers

The difference between K-selected species and R-Selected species is that the former posses a type I survivorship curve while the latter has type III survivorship curve.

A Type III survival curve is more likely to be present in K-selected species. Type I survivorship curves are typical in r-selected species. Graphs called survival curves provide a visual representation of the proportion of a population that is still alive at various ages. R-Selected species have evolved to survive in unstable and unpredictable surroundings. They produce a great number of tiny young.

The offspring of r-selected animals are comparatively self-sufficient at birth and do not get a lot of resources or parental care. Examples of r-selected species include plants like the dandelion and marine creatures like jellyfish.

Species chosen by K are adapted to predictable, steady surroundings. K-selected species tend to have populations that are roughly at their carrying capacity. These species have long generation times, and larger but fewer offspring overall. An example of a K-selected species would be an elephant or a human.

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A botanist crosses two pink-flowered plants. The cross is a case of intermediate inheritance that involves alleles that were not clearly dominant or recessive and could make red-, pink-, and white-flowered plants. If four plants are produced from the cross, what is the expected number of white-flowered plants?
A-1
B-0
C-3
D-2

Answers

A:1 why because when crossing u get one white 2 pink and 1 red

How does exposure to water affect the arrangement of the phospholipids?

It causes the heads to point towards the exterior and the tails to point towards the interior of the cell.

It causes the heads to point towards the interior and the tails to point towards the exterior of the cell.

It causes a bilayer to form with the tails pointing away from the center of the membrane.

It causes a bilayer to form with the tails pointing toward the center of the membrane.

Answers

Answer:

It causes a bilayer to form with the tails pointing toward the center of the membrane.

Explanation:

It is due to the tails being hydrophobic and the heads being hydrophilic. Also it is called a "phospholipid bilayer" sooo... hope this helps!

^^^biology question

Answers

Answer:

A 40 percent

Explanation:

If guanine is 10 percent this means that cytosine will also be 10.thats a total of 20 percent. We will then have 80 percent remaining for thymine and adenine. As we know adenine make a bond with thymine so 80 divide by 2 is 40 percent for each

Answer:

90%

Explanation: correct awnser is b 90% because if 10% is in G then the other 90% is in A

An immune response ends with the organism developing immunity for all pathogens *

True
False

Answers

Answer:False

Explanation:

Like zombies something new will become a pathogen and for some the effects can not be completely immune.

I think the answer is false

What is the role of producers in environment ?​

Answers

Every ecosystem is made up of three broad components: producers, consumers and decomposers. Producers are organisms that create food from inorganic matter. The best examples of producers are plants, lichens and algae, which convert water, sunlight and carbon dioxide into carbohydrates. Consumers are organisms that cannot create their food. Hope this helped!

how does your adrenal gland and pineal gland help you maintain homeostasis?

Answers

The adrenal gland helps to maintain homeostasis by producing hormones that regulate metabolism, stress response, and other bodily processes.

What exactly is homeostasis?

Homeostasis is the ability of a living organism or system to regulate its internal environment to maintain a stable equilibrium, such as temperature or pH, despite changes in external conditions. It is a crucial factor in allowing organisms to function normally in their environment.

The pineal gland helps to maintain homeostasis by secreting melatonin which helps to regulate the body’s circadian rhythm and helps to regulate sleep and wake cycles. Together, these two glands help to keep the body in a balanced, homeostatic state.

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Explain how an ecosystem that has experienced a disruptive event, such as a volcano, recovers. Read More >>

Answers

An ecosystem that has experienced a disruptive event, such as a volcanic eruption, will take time to recover from the effects of the disruption. The recovery process of an ecosystem is a complex, interconnected process between the biotic and abiotic components of a system. The recovery process that follows a disturbance varies depending on the type of disruption and the environment in which it occurs.

When a volcanic eruption occurs, it can release a great deal of ash and debris into the environment, and the effects can be devastating. The ash and debris can severely damage the terrestrial and aquatic ecosystems in the surrounding area, resulting in a loss of habitat, food sources, and other important resources. Additionally, the ash and debris can block sunlight and reduce photosynthesis, which can lead to a decrease in plant growth and a disruption of the food web.

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The numerical ratio of velocity to speed of a moving object is
•always less than 1
•always equal to 1
•always more than 1
• equal or less than 1​

Answers

Answer: Correct option (d) Either less than or equal to one. Explanation: velocity/speed ≤ 1Read more on

Explanation:

19. How do some cells become brain cells and others become skin cells, when the DNA in ALL the calls is exactly the

same. In other words, the instructions are exactly the same, how does one cell become a brain call and anothera si

cell?

Answers

The proteins expressed and the genes activated makes one cell a brain cell and another skin cell.

Gene expression is the process through which a gene's information is used to create a functioning gene product, allowing it to produce end products like proteins or non-coding RNA and ultimately have an impact on phenotypes. However, in non-protein-coding genes like transfer RNA (tRNA) and small nuclear RNA (snRNA), the end result is a functional non-coding RNA instead of a protein.

Gene expression alterations lead to cell differentiation. This happens when various environmental signaling molecules activate or repress certain transcription factors that are required to express particular genes in the DNA. Inside of cells, DNA is arranged into chromosomes. Chromosomes have several genes.

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Which of the following situations could be represented by this graph?

Answers

Answer:

The answer is B

Explanation:

As you can see They do walk 1.5 Kilometers and stop at 20 then they walk until 3 kilometers in 40 minutes because they end at 60.

Drag each label to the correct location.
Geologists study a variety of other characteristics to identify minerals, such as texture, magnetism, streak plate markings, density, and specific gravity. Use the information you have already gathered, in addition to a few other properties of minerals, to identify the seven minerals in the chart below. If you need help using the graduated cylinder or scale, consult the lab instruments and measurements guide. If you do not have access to the seven minerals given, use this resource to complete the chart.

Answers

Answer:

quartz gypsum pyrite magnetite graphite fluorite talc

Explanation:

what do you think? So why don't t apes walk upright like us?

Answers

Apes were basically monkeys. They walk on their hands and feet but crouched. There's a bunch of theories saying that humans evolved from apes. As apes evolved, they started walking upright.

Most of the genetic disorders you have learned about are the result of a change in DNA sequence, as with cystic fibrosis, or the presence of

an extra chromosome, as with Down syndrome. The exception is Turner's syndrome. Women with Turner's syndrome have only 45 chromosomes. They are missing an X chromosome. This disorder is the only case in which a person can survive with one less chromosome.

What does this tell you about

how genetic information is inherited in humans?


Please help

Answers

The most genetic information is inherited in humans on the x-chromosome.

In bacteria, each messenger RNA (mRNA) serves as a template for the production of one or more particular proteins. Messenger RNAs (mRNAs) carry information from DNA. Translation is the process by which the primary amino acid sequence of a protein is established from the nucleotide sequence of an mRNA molecule.

Their mother passes one copy on to them through the egg, while their father passes the other one along sperm. Each egg and sperm have a single set of 23 chromosomes. Two copies of each chromosome and two copies of each gene are present when the sperm fertilizes the egg, resulting in the formation of an embryo.

Three separate processes responsible for the genetic diversity.

mutationrecombination,gene immigration

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