Cell Transport

Front

What is the process called when cells expel materials?

Back

Exocytosis

Front

True or False: Active transport moves molecules down their concentration gradients.

Back

False

Front

What does it mean for a membrane to be partially permeable?

Back

It allows some molecules to pass through it.

Front

Which solution has a higher concentration of water?

Back

Solution 1

Front

Why do red blood cells in group A look different from a normal, healthy red blood cell?

Back

They have lost water.

Front

What is the process of taking in materials by a cell called?

Back

Endocytosis

Front

What is the main difference between passive and active transport?

Back

Passive transport does not require energy, while active transport does.

Front

What is osmosis?

Back

The movement of water molecules across a selectively permeable membrane.

Front

What happens to a cell in a hypertonic solution?

Back

It loses water and shrinks.

Front

What is the role of transport proteins in cell membranes?

Back

They help move substances across the membrane.