Tonicity

Tonicity

Assessment

Flashcard

Biology

University

Practice Problem

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What is tonicity?

Back

Tonicity refers to the ability of a solution to affect the volume and pressure of a cell by osmosis.

2.

FLASHCARD QUESTION

Front

What is an isotonic solution?

Back

An isotonic solution has the same concentration of solutes as the cell, resulting in no net movement of water.

3.

FLASHCARD QUESTION

Front

What is a hypertonic solution?

Back

A hypertonic solution has a higher concentration of solutes compared to the cell, causing water to move out of the cell, leading to cell shrinkage.

4.

FLASHCARD QUESTION

Front

What is a hypotonic solution?

Back

A hypotonic solution has a lower concentration of solutes compared to the cell, causing water to move into the cell, potentially leading to cell swelling or bursting.

5.

FLASHCARD QUESTION

Front

What is osmosis?

Back

Osmosis is the movement of water across a selectively permeable membrane from an area of low solute concentration to an area of high solute concentration.

6.

FLASHCARD QUESTION

Front

What does selectively permeable mean?

Back

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

7.

FLASHCARD QUESTION

Front

How does a cell maintain homeostasis?

Back

A cell maintains homeostasis by regulating what enters and leaves the cell.

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