Transport Across Membranes

Transport Across Membranes

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Lesson 01

Haunted forest: venture and try to reach the end of the trail

Magical progress

Question 1/4

The cell membrane consists of 2 components. These are

Protein molecules and fatty acids

Proteins and phospholipids

Phospholipids and cellulose

Question 2/4

What may happen to red blood cells if placed in pure water?

Become turgid

Burst

Shrink

Question 3/4

Which structure can prevent a plant cell from bursting when it gains water by osmosis?

Cell membrane

Vacuole

Cell wall

Question 4/4

What will happen to plant cells when placed in pure water?

Become turgid

Become plasmolysed

Burst

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Lesson 02

Magic Progress

Question 1/3

Osmosis is the movement of water molecules

true

False

Question 2/3

Diffusion requires energy

False

true

Question 3/3

ATP provides the energy required for active transport

true

False

Question 4/4

Osmosis is known as an active process

true

False

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Lesson learned!

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Lesson 03

Magic Progress

Question 1/4

What could cause a plant cell to become plasmolysed?

Loss of water

Gain of water

The vacuole swelling up

Question 2/4

Which of the following processes requires energy?

Osmosis

Active transport

Diffusion

Question 3/4

The cell membrane is "selectively permeable", discuss what this means

Allows all large molecules through

Allows all molecules through

Only allows certain molecules to enter or leave a cell

Question 4/4

Name the type of cells that contain a cell membrane

Animal and plant cells only

Bacterial and plant cells only

Animal, plant, fungal and bacterial cells

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Lesson 04

Magical progress

Question 1/2

Select the image which shows a plasmolysed cell

Question 2/2

Select the image that represents a red blood cell that has been placed in a hightly concentrated salt solution

Manual completed

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