Biology Midterm Review Questions

Front

What type of molecule forms the cell membrane?

Back

Phospholipid

Front

What are proteins in the cell membrane that identify the cell called?

Back

Receptor Proteins

Front

As a result of diffusion, the concentration of many types of substances

Back

Eventually becomes balanced on both sides of a membrane

Front

Diffusion is the movement of a substance

Back

From an area of high concentration to an area of lower concentration

Front

The dispersal of ink in a beaker of water is an example of

Back

Diffusion

Front

How do sugar molecules cross the cell membrane?

Back

Facilitated diffusion

Front

Which of the following does not require energy?

• diffusion
• endocytosis
• sodium-potassium pump
• active transport

Back

diffusion

Front

Unlike passive transport, active transport

Back

requires energy

Front

Which of the following is a form of active transport?

• osmosis
• sodium-potassium pump
• simple diffusion
• facilitated diffusion

Back

sodium-potassium pump

Front

Removing materials from a cell in vesicles is called

Back

exocytosis