Which of the Following Events Contributes to Driving the Mammalian

question 39

Multiple Choice

Which of the following events contributes to driving the mammalian cell past the restriction point of the cell cycle?

• A) Phosphorylation of Cdh1-APC/C by G₁/S-Cdk
• B) Destruction of CKIs that target S-Cdks
• C) Phosphorylation of Rb by G₁-Cdk, G₁/S-Cdk, and S-Cdk
• D) Activation of E2F gene expression by active E2F protein
• E) All of the above

---

Definitions:

Key Feature

is a primary or distinctive attribute of a product or service that sets it apart from its competitors.

Observational Learning

A process of learning that occurs through observing the behavior of others and the outcomes of those behaviors.

Social Environment

The immediate physical and social setting in which people live or in which something happens or develops.

Main Caretakers

Primary individuals responsible for providing care or support to others, such as children, the elderly, or individuals with special needs.