Cell Membrane and Transport

Cell Membrane and Transport

Assessment

Flashcard

Biology

9th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the cell membrane?

Back

The protective outer layer that controls what enters and leaves the cell.

2.

FLASHCARD QUESTION

Front

What process is described as the movement of molecules from an area of higher concentration to an area of lower concentration?

Back

Diffusion

3.

FLASHCARD QUESTION

Front

What does it mean for a membrane to be selectively permeable?

Back

It means that some molecules can cross the membrane while others cannot.

4.

FLASHCARD QUESTION

Front

True or False: Regulating what enters and leaves the cell helps maintain homeostasis.

Back

True

5.

FLASHCARD QUESTION

Front

What is a phospholipid?

Back

A molecule that makes up the cell membrane, consisting of a hydrophilic (water-attracting) head and two hydrophobic (water-repelling) tails.

6.

FLASHCARD QUESTION

Front

What is osmosis?

Back

The diffusion of water molecules across a selectively permeable membrane.

7.

FLASHCARD QUESTION

Front

What is active transport?

Back

The movement of molecules across a cell membrane using energy, typically against a concentration gradient.

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