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pishuonlain [190]
3 years ago
8

Part A In addition to splicing, additional modifications at the 5' and 3' end are required to generate a mature mRNA. What is th

e significance of these modifications? See Section 17.2 (Page) . View Available Hint(s) In addition to splicing, additional modifications at the 5' and 3' end are required to generate a mature mRNA. What is the significance of these modifications? See Section 17.2 (Page) . These modifications allow the mRNA to be recognized by the protein synthesis machinery and protect it from degradation. These modifications are required so that the mRNA is retained in the nucleus. These modifications ensure that the mRNA is properly spliced. These modifications ensure that RNA polymerase recognizes the proper promoter sequence.
Biology
1 answer:
Gelneren [198K]3 years ago
8 0

Answer:

The answer is these modifications allow the mRNA to be recognized by the protein synthesis machinery and protect it from degradation. The 5' cap and poly-A tail added to pre-mRNA complete the transformation to mature mRNA

Explanation:

These modifications allow the mRNA to be recognized by the protein synthesis machinery and protect it from degradation. The 5' cap and poly-A tail added to pre-mRNA complete the transformation to mature mRNA.

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Which environmental factor could lead to a decrease in genetic variation in a population of tuna?
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The environmental factor that could lead to a decrease in genetic variation in a tuna population is an increase in pollution (second option).

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There is a correlation between genetic variability and environmental pollution, the latter being a factor that impacts negatively on the variability of a specific population.

The concept of pollution stress not only implies a low rate of reproduction, but it is also a factor that prevents genetic exchange with other populations, which is a factor that makes the genetic variability decrease in a population.

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Answer:

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The Calvin cycle takes place during the day time in the same cell, that is, mesophyll cell.

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