Question

Reformation of the nuclear envelope and chromosome decondensation is due to a) inactivation of cdc2 b) inactivation of mpk c) activation of polymerase and activation of ligases​

Answer 1

Answer:

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Explanation:

Answer 2

Answer:

The correct answer is c) activation of polymerase and activation of ligases.

Explanation:

Reformation of the nuclear envelope and chromosome decondensation is due to activation of polymerase and activation of ligases. This occurs during the process of DNA replication where decondensation of the chromosome occurs, forming a leading strand and a lagging strand, on which replication occurs. DNA polymerase extends the strand from RNA primer, while DNA ligase joins the Okazaki fragments together to form a single DNA molecule. Inactivation of Cdc2 induces DNA damage, which ultimately leads to apoptosis or programmed cell death. Inactivation of Mitogen activated protein kinase or mpk also leads to reduction in life span caused due to germ line defective mutant glp – 4 (bn2ts).