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Otrada [13]
3 years ago
6

Why does mutation happen regularly? *

Biology
1 answer:
Elan Coil [88]3 years ago
7 0

Answer:

Explanation:

A mutation is a change that occurs in our DNA sequence, either due to mistakes when the DNA is copied or as the result of environmental factors such as UV light and cigarette smoke. Mutations can occur during DNA replication if errors are made and not corrected in time.

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2 years ago
One function of the poly-A tail on eukaryotic MRNA sequences is to help the MRNA be transported from the nucleus to the cytoplas
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Answer:

In eukaryotes, it is well known that polyadenylation is required to produce the mature messenger RNA (mRNA) molecule and it provides stability to the mRNA during translation initiation. In prokaryotic organisms, polyadenylation is required for the degradation of the mRNA in a mechanism that involves three steps: endonucleolytic cleavage, polyadenylation and exonucleolytic degradation. Moreover, it is also important to note that no evidence of polyadenylation has bee reported in some prokaryotes including the halophilic bacteria Haloferax volcanic (Slomovic et al. 2005).

Citation:

Slomovic, S., Laufer, D., Geiger, D., & Schuster, G. (2005). Polyadenylation and degradation of human mitochondrial RNA: the prokaryotic past leaves its mark. Molecular and cellular biology, 25(15), 6427-6435.

3 0
3 years ago
4
Hunter-Best [27]

The Equator line does not pass through the north and south poles. This line divides the Earth's planet into two hemispheres.

The Equator can be defined as an invisible line located at the center of the Earth (0 degrees latitude).

This invisible line (Equator) divides the Earth into two hemispheres: the northern hemisphere and the southern hemisphere.

The Equator is a circle of latitude, and the distance of this imaginary line is approximately 40,000 km in circumference.

Learn more about the Equator line in:

brainly.com/question/16876469

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