Cell membrane and passive transport

Front

Most of the cell membrane is made of...
Options: Lipids, Carbohydrates, Proteins, Nucleic acids

Back

Lipids

Front

Which of the following is responsible for getting large or charged (polar) molecules across the cell membrane? Options: E, B, C, D

Back

C

Front

The _____ in the plasma membrane prevents the fatty acids tails from sticking together. Options: carbohydrate chains, cholesterol, proteins, lipids

Back

cholesterol

Front

Hydrophobic region of the cell membrane? Options: E, B, C, A 

Back

E

Front

Hydrophilic

Back

water-loving

Front

Hydrophilic

Back

water-loving

Front

What is diffusion?

Back

when molecules move from a high concentration to a low concentration.

Front

Equilibrium?

Back

equal amount of substance on either side of the membrane

Front

Which way will the water molecules move during osmosis?

Back

Out of the cell, so the cell shrinks.

Front

Passive Transport means

Back

No energy is used