Guliano 2nd period Cells Chapter Test

Who was one of the first people to identify and see cells?

• Robert Hooke
• Matthias Schleiden

Check ALL that apply to Cell Theory

• Cells are the basic units of life
• All living things are made of cells
• Very few cells reproduce
• All cells are produced by existing cells

Prokaryotes lack

• a nucleus
• DNA

Check ALL that are made of Eukaryotic cells

• plants
• animals
• bacteria
• fungi

Which of the following is a function of the cell membrane?

• keeps the cell wall in place
• regulates which materials enter and leave the cell

The cell membrane contains channels and pumps that help move materials from one side to the other. What are these channels and pumps made of?

• bilipids
• proteins

2 and 3 are pointing to

• phospholipids
• membrane carbohydrates

Diffusion is the movement of molecules from

• an area of low concentration to an area of high concentration.
• an area of high concentration to an area of low concentration.

Side A is (assume the solute cannot move, only the water can move)

• Hypertonic
• Hypotonic

Side B is (assume the solute cannot move, only the water can move)

• Hypertonic
• Hypotonic