You Discover a Protein, MtA, and Find That It Binds

question 38

Multiple Choice

You discover a protein, MtA, and find that it binds to the plus ends of microtubules in cells.The hypothesis that best explains this localization is that MtA

• A)is involved in stabilizing microtubules.
• B)binds to GTP-bound tubulin on microtubules.
• C)is important for the interaction of microtubules with the centrosome.
• D)will not bind to purified microtubules in a test tube.

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Definitions:

Flight-Or-Fight Response

A physiological reaction that occurs in response to a perceived harmful event, attack, or threat to survival, preparing the body to either confront or flee the situation.

Adaptive Benefits

Refers to the positive traits or behaviors that have evolved in an organism to enhance its survival and reproduction in its environment.

Positive Effects

Beneficial impacts or outcomes that contribute to well-being, happiness, or success.

Physical Exercise

Activities requiring physical effort carried out to sustain or improve health and fitness.