AP Bio Topic 4.1-4.4

AP Bio Topic 4.1-4.4

Assessment

Flashcard

Biology

11th Grade

Practice Problem

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What is endocrine signaling?

Back

Endocrine signaling is a form of long-distance signaling in which hormones are released into the bloodstream and travel to target organs or cells to elicit a response.

2.

FLASHCARD QUESTION

Front

What is autocrine signaling?

Back

Autocrine signaling is a type of self-signaling where a cell produces signals that bind to receptors on its own surface, leading to a response.

3.

FLASHCARD QUESTION

Front

What is paracrine signaling?

Back

Paracrine signaling involves the release of signaling molecules that affect nearby cells, allowing for localized communication.

4.

FLASHCARD QUESTION

Front

What is the role of protein kinases in cell signaling?

Back

Protein kinases are enzymes that transfer phosphate groups from ATP to specific proteins, which can activate or deactivate the target proteins, thus regulating cellular activities.

5.

FLASHCARD QUESTION

Front

What is a phosphorylation cascade?

Back

A phosphorylation cascade is a series of events in which one protein kinase activates another, leading to a rapid amplification of the signal and a coordinated cellular response.

6.

FLASHCARD QUESTION

Front

What is the significance of signal amplification in cellular responses?

Back

Signal amplification allows a small initial signal to produce a large response, enabling cells to respond effectively to low concentrations of signaling molecules.

7.

FLASHCARD QUESTION

Front

What is apoptosis?

Back

Apoptosis is a programmed cell death process that is crucial for maintaining homeostasis and eliminating damaged or unnecessary cells.

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