AP Biology - Cell Communication

AP Biology - Cell Communication

Assessment

Flashcard

Biology

11th - 12th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is signal amplification in cell communication?

Back

The process by which a small signal is enhanced to produce a larger cellular response, allowing cells to respond more effectively to stimuli.

2.

FLASHCARD QUESTION

Front

What type of signaling involves hormones?

Back

Endocrine signaling.

3.

FLASHCARD QUESTION

Front

Where are receptors for steroid hormones typically located?

Back

In the cytoplasm, because steroid hormones are nonpolar and can easily cross the cell membrane.

4.

FLASHCARD QUESTION

Front

What role do protein kinases play during signal transduction?

Back

They activate other relay proteins by adding a phosphate group to them.

5.

FLASHCARD QUESTION

Front

What is a secondary messenger in cell signaling?

Back

A molecule that relays signals received at receptors on the cell surface to target molecules inside the cell, such as cAMP.

6.

FLASHCARD QUESTION

Front

Define autocrine signaling.

Back

A form of cell signaling where a cell secretes a hormone or chemical messenger that binds to receptors on its own surface, affecting its own activity.

7.

FLASHCARD QUESTION

Front

What is paracrine signaling?

Back

A type of signaling where cells communicate with nearby cells through the release of signaling molecules.

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