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Scilla [17]
3 years ago
11

MicroRNAs control gene expression at the level of _______. See Section 19.4 (Page 389) .

Biology
1 answer:
Alenkinab [10]3 years ago
5 0

Out of the following given choices;

transcription

protein stability

mRNA processing

translation

<span>The answer is mRNA processing. microRNA regulate gene posttranscriptionally by silencing mRNA. microRNA is short (approximately 20 nucleotides) and base-pairs with mRNA during its processing hence interferes with its progression to translation by causing the cleavage of the mRNA or  shortening the poly-A tail</span>




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In this region, the sun is directly or almost overhead as seen during summer periods in the tropics.

Only in areas of the North and South of the ITCZ known as doldrums which at times are parallel to the ITCZ do we have high pressure that aren't conducive to precipitation causing dry season in the tropics.

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Rain shadows and ocean cueeebts may at times cause some savannahs to be along the equator and some rain forests -wet and dry forests- to be positioned further form the equator.

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