The End Product of a Biosynthetic Pathway Often Acts to Block

question 29

Multiple Choice

The end product of a biosynthetic pathway often acts to block the initial step in that pathway. This phenomenon is called:

• A)allosteric activation.
• B)denaturation.
• C)irreversible inhibition.
• D)feedback inhibition.
• E)substrate activation.

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Definitions:

Healthy Snacks

Nutritious food items that are intended to be eaten between meals to satisfy hunger in a healthful way.

Catecholamines

Chemical compounds, including epinephrine and norepinephrine, which are produced by the adrenal glands and function as neurotransmitters and hormones, playing key roles in the body's response to stress.

Cortisol

A steroid hormone produced by the adrenal glands, often released in response to stress and low blood-glucose concentration.

Histamine

A nitrogenous compound involved in local immune responses, regulating physiological function in the gut, and acting as a neurotransmitter for the brain, spinal cord, and uterus.