Post Utme Covenant University 2020 Biology Question 1

Practice objective / multiple choice question 1 from the 2020 Post Utme Covenant University Biology examination.

Post Utme Covenant University 2020 Biology Objective / Multiple Choice
Question 1 POST_UTME_COVENANT_UNIVERSITY • 2020 • BIOLOGY • objective

In a eukaryotic cell, the process of mitosis is initiated by the breakdown of the nuclear envelope, which is triggered by the activation of the protein kinase Cdk1. Which of the following statements is true about the role of Cdk1 in mitosis?

Answer Options

A. Cdk1 is responsible for the phosphorylation of histone H3, leading to chromatin condensation.
Correct Answer B. Cdk1 activates the anaphase-promoting complex (APC), which degrades the securin protein.
C. Cdk1 triggers the breakdown of the nuclear envelope by phosphorylating the lamin B receptor.
D. Cdk1 inhibits the activity of the cyclin-dep\endent kinase inhibitor, p21.
Correct Answer
B
Correct Option:
Cdk1 activates the anaphase-promoting complex (APC), which degrades the securin protein.

About This Question

This is Post Utme Covenant University 2020 Biology Question 1. It is one of the objective questions from the 2020 Post Utme Covenant University Biology examination.

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