Plasma Membrane

Question 1

What are lipids

Answer 1

Biomacromolecule

Question 2

What are triglycerides

Answer 2

Type of lipid
Not a polymer
Made of glycerol and fatty acids

Question 3

Functions of lipids

Answer 3

Energy source
Protect vital organs
Prevent evaporation in plants
Insulate the body
Form myelin sheath and neurones
Water source

Question 4

Draw a diagram of a triglyceride

Answer 4

Bklet 1 pg 6

Question 5

Draw a diagram of a phospholipid

Answer 5

Bklet 1 pg 10

Question 6

Lipophobic

Answer 6

Attracted to other lips molecules

Question 7

Lipophobic

Answer 7

Repels other lipid molecules

Question 8

Plasma membrane structure

Answer 8

Phospholipid bilayer
Protein channels
Protein pumps
Glycoproteins
Glycolipids
Cholesterol

Question 9

Func of protein channels

Answer 9

Facilitated diffusion

Question 10

Func of protein pump

Answer 10

Active transport
Requires ATP (energy)

Question 11

Cholesterol func

Answer 11

Provides flexibility and stability to the membrane
ADDITIONAL INFO: (NOT FUNCTION)Associates with the fatty acid tails

Question 12

Glycoproteins and glycolipids function

Answer 12

Cell communication and recognition

Question 13

Draw and label the plasma membrane
IMPORTANT!

Answer 13

Bklet 1 pg 16

Question 14

Bulk transport

Answer 14

Move very large molecule across membranes
Cells use vesicles to transport substances within the cell