AP Biology: Unit 4 Review (CED)

AP Biology: Unit 4 Review (CED)

Assessment

Flashcard

Biology

9th - 12th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is homeostasis?

Back

The condition in which an organism's internal environment is kept stable regardless of external changes.

2.

FLASHCARD QUESTION

Front

What is a hypotonic solution?

Back

A solution surrounding a cell that has less solutes and more pure water than the cell, causing the cell to swell.

3.

FLASHCARD QUESTION

Front

What role do signal transduction pathways play in the cell cycle?

Back

They are directly involved in the regulation of the cell cycle.

4.

FLASHCARD QUESTION

Front

What is interphase?

Back

The stage of the cell cycle where the cell prepares for division, including DNA replication.

5.

FLASHCARD QUESTION

Front

What is a phosphorylation cascade?

Back

A series of chemical reactions during cell signaling where a phosphate group is added to proteins, leading to a cellular response.

6.

FLASHCARD QUESTION

Front

Define hypertonic solution.

Back

A solution that has more solutes and less pure water than the cell, causing the cell to shrink.

7.

FLASHCARD QUESTION

Front

What is the significance of isotonic solutions?

Back

Isotonic solutions have equal concentrations of solutes inside and outside the cell, resulting in no net movement of water.

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