diffusion, osmosis, active transport

diffusion, osmosis, active transport

Assessment

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Biology

8th - 9th Grade

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Wayground Content

Used 4+ times

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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 spread from areas of high concentration to areas of low concentration until equilibrium is reached.

2.

FLASHCARD QUESTION

Front

What is osmosis?

Back

Osmosis is the diffusion of water molecules through a selectively permeable membrane from an area of low solute concentration to an area of high solute concentration.

3.

FLASHCARD QUESTION

Front

What is active transport?

Back

Active transport is the movement of molecules across a cell membrane from a region of lower concentration to a region of higher concentration, using energy in the form of ATP.

4.

FLASHCARD QUESTION

Front

How does temperature affect the rate of diffusion?

Back

Higher temperatures increase the kinetic energy of molecules, leading to a faster rate of diffusion.

5.

FLASHCARD QUESTION

Front

What is a selectively permeable membrane?

Back

A selectively permeable membrane is a barrier that allows certain substances to pass through while blocking others.

6.

FLASHCARD QUESTION

Front

What is the concentration gradient?

Back

The concentration gradient is the difference in the concentration of a substance between two areas.

7.

FLASHCARD QUESTION

Front

What role do transport proteins play in active transport?

Back

Transport proteins facilitate the movement of substances across the cell membrane during active transport, often against the concentration gradient.

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