Cellular Transport

Cellular Transport

Assessment

Flashcard

Science

7th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is diffusion?

Back

Diffusion is the process by which molecules move from an area of higher concentration to an area of lower concentration.

2.

FLASHCARD QUESTION

Front

In which direction do molecules move during diffusion?

Back

Molecules move from higher concentration to lower concentration.

3.

FLASHCARD QUESTION

Front

What is osmosis?

Back

Osmosis is the diffusion of water molecules across a selectively permeable membrane.

4.

FLASHCARD QUESTION

Front

What does selectively permeable mean?

Back

Selectively permeable means that a membrane allows some substances to pass through while blocking others.

5.

FLASHCARD QUESTION

Front

What is the difference between active transport and passive transport?

Back

Active transport requires energy to move substances against their concentration gradient, while passive transport does not require energy.

6.

FLASHCARD QUESTION

Front

What is an isotonic solution?

Back

An isotonic solution is one where the concentration of solutes is the same inside and outside the cell, resulting in no net movement of water.

7.

FLASHCARD QUESTION

Front

What happens to a cell in a hypotonic solution?

Back

In a hypotonic solution, water moves into the cell, causing it to swell and potentially burst.

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