Cell Membrane and Transport

Cell Membrane and Transport

Assessment

Flashcard

Science

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 the cell membrane?

Back

The cell membrane is a biological barrier that separates the interior of a cell from its external environment, composed mainly of a phospholipid bilayer with embedded proteins.

2.

FLASHCARD QUESTION

Front

What are transport proteins?

Back

Transport proteins are proteins that assist in the movement of ions and molecules across the cell membrane, facilitating the transport of substances that cannot pass freely through the lipid bilayer.

3.

FLASHCARD QUESTION

Front

What type of molecules require the help of transport proteins to pass through the cell membrane?

Back

Polar molecules require the help of transport proteins to pass through the cell membrane.

4.

FLASHCARD QUESTION

Front

What is endocytosis?

Back

Endocytosis is the process by which cells take in large molecules or particles by engulfing them with the cell membrane, forming a vesicle.

5.

FLASHCARD QUESTION

Front

What is exocytosis?

Back

Exocytosis is the process by which cells expel large molecules or particles by fusing vesicles with the cell membrane, releasing their contents outside the cell.

6.

FLASHCARD QUESTION

Front

What is active transport?

Back

Active transport is the movement of molecules across a cell membrane against their concentration gradient, requiring energy (usually in the form of ATP).

7.

FLASHCARD QUESTION

Front

What is simple diffusion?

Back

Simple diffusion is the passive movement of small non-polar molecules across the cell membrane from an area of higher concentration to an area of lower concentration without the need for energy.

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