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Test Your Knowledge on the Cell Membrane: Discover the Semi-Permeable Barrier of...

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Test Your Knowledge on the Cell Membrane: Discover the Semi-Permeable Barrier of...

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Questions and Answers

What is the function of the cell membrane?

To allow all substances to enter the cell

To allow only useful substances to enter the cell (correct)

To block the entry of all substances

To allow only harmful substances to enter the cell

What is the importance of the cell membrane in maintaining homeostasis?

It helps the body to produce energy

It helps the body to maintain balance (correct)

It helps the body to fight against diseases

It helps the body to excrete waste

Dialysis tubing is a semipermeable membrane that allows certain molecules to enter and exit through TINY holes that you need a microscope to see. It works by separating small molecules from large molecules by allowing only the small molecules to ______ (pass through).

diffuse

Dialysis tubing is a ______ membrane that allows certain molecules to enter and exit

semipermeable Signup and view all the answers

What is the purpose of dialysis tubing?

To separate small molecules from large molecules Signup and view all the answers

What is the importance of diffusion to cells?

It allows cells to gain useful substances and get rid of waste products Signup and view all the answers

What is the difference between glucose and starch?

Glucose is a simple sugar while starch is a complex sugar Signup and view all the answers

How does the body use carbohydrates for energy?

Carbohydrates are broken down into smaller glucose molecules, which are then converted to energy through cellular respiration Signup and view all the answers