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Unit 3 Retake Part 1 (24-25)

Unit 3 Retake Part 1 (24-25)

Assessment

Flashcard

Biology

9th - 12th 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 facilitated diffusion?

Back

Facilitated diffusion is a process by which substances move across cell membranes with the help of carrier proteins, from an area of higher concentration to an area of lower concentration, without the use of energy.

2.

FLASHCARD QUESTION

Front

What happens to a cell in a hypertonic solution?

Back

In a hypertonic solution, water moves out of the cell, causing the cell to shrink.

3.

FLASHCARD QUESTION

Front

What is active transport?

Back

Active transport is the movement of substances across a cell membrane against their concentration gradient, from an area of lower concentration to an area of higher concentration, requiring energy (ATP).

4.

FLASHCARD QUESTION

Front

What is a solute?

Back

A solute is a substance that is dissolved in a solvent to form a solution. In a saltwater solution, salt is the solute.

5.

FLASHCARD QUESTION

Front

What is a solvent?

Back

A solvent is a substance that dissolves a solute, forming a solution. In a saltwater solution, water is the solvent.

6.

FLASHCARD QUESTION

Front

What is isotonic solution?

Back

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

7.

FLASHCARD QUESTION

Front

What is the difference between diffusion and facilitated diffusion?

Back

Diffusion is the passive movement of molecules from high to low concentration, while facilitated diffusion requires specific transport proteins to help move molecules across the membrane.

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