AP BIO - Cell Structure and Function

AP BIO - Cell Structure and Function

Assessment

Flashcard

Biology

12th Grade - University

Practice Problem

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What biomolecules form selective channels and pumps in cellular membranes?

Back

Proteins are primarily responsible for forming selective channels and pumps within the phospholipid bilayer of cellular membranes.

2.

FLASHCARD QUESTION

Front

What is the process called when a cell engulfs external substances to form a vesicle?

Back

Endocytosis is the cellular process that involves the engulfing of external substances by the cell membrane to form a vesicle.

3.

FLASHCARD QUESTION

Front

How do aquaporins affect membrane permeability to water?

Back

Aquaporins significantly increase the permeability of the membrane to water molecules.

4.

FLASHCARD QUESTION

Front

What happens to the surface-to-volume ratio as cell size increases?

Back

The larger cell has a smaller surface-to-volume ratio than the smaller cell.

5.

FLASHCARD QUESTION

Front

Which organelle is known as the cell's 'post office'?

Back

The Golgi Apparatus is responsible for modifying, sorting, and packaging proteins for secretion.

6.

FLASHCARD QUESTION

Front

What is the primary function of the cell membrane?

Back

The cell membrane regulates the movement of substances in and out of the cell, maintaining homeostasis.

7.

FLASHCARD QUESTION

Front

Define osmosis in the context of cellular biology.

Back

Osmosis is the diffusion of water across a selectively permeable membrane from an area of lower solute concentration to an area of higher solute concentration.

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