Cell membrane

Question 1

The lipid barrier that surrounds the cell, a.k.a. the plasma membrane

Answer 1

cell membrane

Question 2

The cell membrane is made up of a double layer of special lipids called_____________ and proteins.

Answer 2

Phospholipids

Question 3

Molecules in a phospholipid are made up of what?

Answer 3

They are called lipids, and they have one hydrophillic (water loving) head, and two hydrobhobic (water hating) tails.

Question 4

Is the cell membrane permeable or semipermeable

Answer 4

The cell membrane is semipermeable

Question 5

the jelly-like substance inside cells that holds all other cell parts; it is made of water and other molecules such as enzymes

Answer 5

Cytosol

Question 6

the term for the cytosol and all other organelles (cell parts), except for the nucleus

Answer 6

Cytoplasm

Question 7

The movement of materials from an area of higher concentration (more) to an area of lower concentration (less).

Answer 7

Diffusion

Question 8

Diffusion stops once_____ is reached. When _______ is reached there is an equal amount of evrything

Answer 8

Equilibrium