______________ Occurs When the Product of a Metabolic Pathway Binds

question 26

Multiple Choice

______________ occurs when the product of a metabolic pathway binds to an enzyme and decreases enzymatic activity.

• A)Allosteric inhibition
• B)End-product therapy
• C)Second messaging
• D)Coupling

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Definitions:

Stroma

The supportive tissue of an epithelial organ, tumor, gonad, etc., consisting of connective tissues and blood vessels, or the dense fluid found inside the chloroplasts of plant cells.

Thylakoid Compartment

The thylakoid compartment is a space within the chloroplasts of plant cells, surrounded by thylakoid membranes, where the light-dependent reactions of photosynthesis occur.

Electron Transport Chain

A series of complexes that transfer electrons from electron donors to electron acceptors via redox reactions and couples this electron transfer with the transfer of protons (H+ ions) across a membrane.

Thylakoid Membrane

A membrane-bound compartment inside chloroplasts and cyanobacteria, the site of the light-dependent reactions of photosynthesis.