Apentix/AP Biology/Ap bio u4/Question
AP Biologyhardmcq1 pt

Which of the following is a characteristic of a feedforward loop in the context of cell cycle regulation?

A.D) It involves a regulatory feedback loop
B.C) It involves a cascade of reactions
C.B) It involves positive feedback
D.A) It involves negative feedback

Explanation

Core Concept

Feedforward loops are a type of regulatory circuit that involves a cascade of reactions, where the output of one reaction is used as the input for the next reaction. This allows for the amplification and modulation of signals. Options A and B are incorrect because feedforward loops do not typically involve feedback. Option D is incorrect because feedforward loops do not involve a regulatory feedback loop.

Correct Answer

C) It involves a cascade of reactions

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