Cell Membranes And Solubility Of Molecules

Question 1

What is the model of the cell membrane called

Answer 1

Fluid mosaic model

Question 2

What factors can alter the fluidity of cell membranes

Answer 2

Temperature
PH
Fatty acid saturation
Cholesterol

Question 3

What does cholesterol do to the fluidity of a membrane

Answer 3

It makes the membrane more dense and decreases fluidity of the membrane

Question 4

Structure of a phospholipid

Answer 4

Hydrophilic phosphate head
Hydrophobic fatty acid tails

Question 5

What passes through cell membranes

Answer 5

Ions
Atoms
Protein

Question 6

What is the surface membrane sometimes called

Answer 6

Plasma membrane

Question 7

What type of diffusion only takes place with the help of a protein in the membrane

Answer 7

Facilitated diffusion

Question 8

What do glycoproteins do

Answer 8

Cell to cell signaling
Act a as receptors

Question 9

Proteins in the plasma membrane that run all the way through

Answer 9

Extrinsic

Question 10

Proteins in the plasma membrane that don run all the way through

Answer 10

Intrinsic