Cell Transport-1

Cell Transport-1

Assessment

Flashcard

Biology

9th - 12th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is active transport?

Back

The movement of molecules against a concentration gradient, requiring energy.

2.

FLASHCARD QUESTION

Front

What is simple diffusion?

Back

The movement of molecules from an area of higher concentration to an area of lower concentration without the use of energy.

3.

FLASHCARD QUESTION

Front

What is facilitated diffusion?

Back

The process of passive transport of molecules across a membrane via specific transmembrane integral proteins.

4.

FLASHCARD QUESTION

Front

What is osmosis?

Back

The diffusion of water molecules through a selectively permeable membrane from an area of lower solute concentration to an area of higher solute concentration.

5.

FLASHCARD QUESTION

Front

What does passive transport require?

Back

Passive transport requires no energy.

6.

FLASHCARD QUESTION

Front

What is a concentration gradient?

Back

A difference in the concentration of a substance across a space.

7.

FLASHCARD QUESTION

Front

What is the role of channel proteins in facilitated diffusion?

Back

Channel proteins help transport particles that are too large to enter the membrane without using energy.

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