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Vlad [161]
3 years ago
15

4. In transcription, how come the whole DNA molecule is not copied into mRNA?

Biology
1 answer:
zzz [600]3 years ago
7 0

Answer:

Although the mRNA contains the same information, it is not an identical copy of the DNA segment, because its sequence is complementary to the DNA template. Transcription is carried out by an enzyme called RNA polymerase and a number of accessory proteins called transcription factors.

Explanation:

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The white mater is composed of
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Answer:

The correct answer is option A.

Explanation:

White matter is the component of CNS which consist neuron cell bodies or myelinated cell axons or nerve fiber collectively known as fiber tracts mainly. Glial cells also one of the component of white matter, made up of few sulci and gyri. White matter makes superficial regions of the spinal cord and deep parts of the cerebrum.

The neuron cell bodies of white matter sends signals to neurons and each other. White matter regulates the action potentials function as coordinators in between brain parts.

Thus, the correct answer is option A.

4 0
3 years ago
Explain why margarine is a good source of vitamin A<br><br>​
Elden [556K]

Answer:

Vitamins A and D are added to margarine during production so it will have a similar vitamin level to butter. Nutrients may also be added to foods to fortify or enrich them even if the vitamins and minerals added are not normally contained in that food.Margarine makes an important nutritional contribution to the diet by being a source of one or more essential fat-soluble vitamins such as vitamins A and/or D and by being low in saturated fat.

3 0
3 years ago
which cross section best represents the pattern of sediments deposited on the bottom of a lake as the velocity of the stream ent
Anvisha [2.4K]

underground creatures

Explanation:

because man never knows what is going on under water all the time

5 0
3 years ago
What two words best describe bacterial reproduction? Why?
lara31 [8.8K]

Answer:

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Explanation:

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4 0
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6 0
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