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Firdavs [7]
3 years ago
9

Help me please- will mark brainliest

Biology
1 answer:
Sever21 [200]3 years ago
8 0

Answer:

The scale is same.

Explanation:

The scale of nuclear fusion reaction on earth  is the same as compared to fusion reactions that is happening in the sun because both reactions produces the same product i. e. energy and heat etc and both are occurring naturally. Due to large size of the sun, huge number of nuclear fusion reactions occur ac compared to the earth which is smaller in size so the scale of both nuclear fusion reactions are the same but vary in numbers.

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Answer:

A = Activator

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Explanation:

An activator is a protein which typically binds to a short (50–1500 bp) region of DNA which might be located either upstream (mainly) or downstream of a gene so as to cause increased transcription. This particular region of DNA is known as enhancer and activator is also  known as transcription factor. Activator is a trans-acting factor which binds to the cis-acting factor which is enhancer so as to enhance transcriptional expression.

But another protein named as effector may restrict activator from binding to the enhancer leading to a decrease in transcriptional expression by binding to the activator allosterically. Allosteric binding of effector to the activator causes conformational change in activator so it can no longer bind the enhancer.

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Answer:

B. methane

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which is the site of the most ATP production during cell respirationa A nucleus B model chondria C cytoplasm or D chloroplast
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I hope this helps you

4 0
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Suppose that xylem were located only in the roots and stems of a plant. Would fluids in the
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