The Term Down-Regulation Refers to the Process by Which

question 74

Multiple Choice

The term down-regulation refers to the process by which

• A) a glandular cell decreases the amount of hormone it secretes.
• B) a large amount of hormone shuts down all metabolic activity in a target cell.
• C) a cell decreases the number of receptors it has for a hormone.
• D) a carrier protein increases the rate of degradation for a hormone and thereby decreases its blood concentration.
• E) a carrier protein decreases the rate of degradation of the protein it ferries.

Identify and solve common plant growth issues, understanding the influence of light and hormone treatment.

Describe the plant life cycle, including adaptations to terrestrial life.

Explain the role of ethylene in plant ripening processes.

Understand the principles of plant photoperiodism and its impact on flowering.

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Definitions:

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