AP Bio 4.1-4.5

AP Bio 4.1-4.5

Assessment

Flashcard

Science

Practice Problem

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is juxtacrine signalling?

Back

A type of cell signaling where cells communicate through direct contact with each other.

2.

FLASHCARD QUESTION

Front

What is the role of protein kinases in cell signaling?

Back

Protein kinases activate proteins by transferring a phosphate group to them.

3.

FLASHCARD QUESTION

Front

What is the reception stage in cell communication?

Back

The stage where a ligand binds to a receptor, initiating the signaling process.

4.

FLASHCARD QUESTION

Front

What do phosphatases do in cellular processes?

Back

Phosphatases are enzymes that remove phosphate groups from proteins, deactivating them.

5.

FLASHCARD QUESTION

Front

True or False: All cells have the same response to the same signal.

Back

False. Different cells can respond differently to the same signal.

6.

FLASHCARD QUESTION

Front

Define autocrine signaling.

Back

A type of cell signaling where a cell targets itself, releasing signals that bind to its own receptors.

7.

FLASHCARD QUESTION

Front

What is paracrine signaling?

Back

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

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