AP Biology Unit 4: Cell Communication & Cell Cycle

AP Biology Unit 4: Cell Communication & Cell Cycle

Assessment

Flashcard

Science

10th - 12th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What are the phases of mitosis during which chromosomes are composed of two chromatids?

Back

From G2 of interphase through metaphase.

2.

FLASHCARD QUESTION

Front

What is paracrine signaling?

Back

Paracrine signaling involves secreting cells acting on nearby target cells by discharging a local regulator into the extracellular fluid.

3.

FLASHCARD QUESTION

Front

What is the general name for an enzyme that transfers phosphate groups from ATP to a protein?

Back

Protein kinase.

4.

FLASHCARD QUESTION

Front

What are the three stages of cell signaling from the perspective of the cell receiving the message?

Back

Signal reception, signal transduction, and cellular response.

5.

FLASHCARD QUESTION

Front

How does estrogen mediate many effects in the body?

Back

Estrogen binds to specific receptors inside many kinds of cells, each of which have different responses to its binding.

6.

FLASHCARD QUESTION

Front

What is the role of protein kinases in cell signaling?

Back

Protein kinases transfer phosphate groups from ATP to specific proteins, altering their function.

7.

FLASHCARD QUESTION

Front

Define signal transduction.

Back

Signal transduction is the process by which a cell converts an external signal into a functional response.

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