Cell Membrane & Transport

Front

The sodium potassium pump is an example of: Passive Transport, Active Transport, Facilitated Diffusion, Endocytosis

Back

Active Transport

Front

What happens to human red blood cells if an IV solution containing 3.5% sodium chloride is introduced?

Back

The red blood cell would shrink.

Front

If the body can no longer make ATP, which type of transport would be impacted?

Back

Active Transport

Front

Diffusion occurs when molecules

Back

move from high to low concentration

Front

A balloon allows water but not sugar to pass through it. The balloon contains a 5% sugar solution. A beaker contains a 10% sugar solution. What will happen to the balloon?

Back

Water will leave the balloon and it will shrink

Front

How can a plant's root cell take in nutrients when it already has a higher concentration of nutrients inside than outside?

Back

Active Transport

Front

Which of these would be best used to model a cell membrane in order to demonstrate osmosis? glass that has a flat and uniform surface, rubber balloon that can expand and stretch without breaking, tissue paper that will easily rip and dissolve in water, tubing with many pores that are too small to see

Back

tubing with many pores that are too small to see

Front

What is the function of carbohydrates in the cell membrane?

Back

They act as name tags for the cell which is important for cell recognition and interaction.

Front

What is the function of proteins in the cell membrane?

Back

to allow substances to cross the plasma membrane via active transport

Front

What macromolecule makes up the channels found in the cell membrane?

Back

Proteins