Cell Transport

Cell Transport

Assessment

Flashcard

Biology

9th - 12th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is cell transport?

Back

Cell transport refers to the movement of substances across the cell membrane, which can occur through various mechanisms such as diffusion, osmosis, and active transport.

2.

FLASHCARD QUESTION

Front

What is the difference between passive and active transport?

Back

Passive transport does not require energy and moves substances down their concentration gradient, while active transport requires energy to move substances against their concentration gradient.

3.

FLASHCARD QUESTION

Front

Define semi-permeable membrane.

Back

A semi-permeable membrane allows certain molecules to pass through while blocking others, enabling selective transport.

4.

FLASHCARD QUESTION

Front

What is diffusion?

Back

Diffusion is the process by which molecules spread from an area of higher concentration to an area of lower concentration until equilibrium is reached.

5.

FLASHCARD QUESTION

Front

What is osmosis?

Back

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

6.

FLASHCARD QUESTION

Front

What is the role of the cell wall in plant cells?

Back

The cell wall provides structural support and protection, and it helps maintain the shape of the cell, preventing it from bursting in hypotonic solutions.

7.

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, requiring energy (ATP).

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