Chp 11

Question 1

Lipid

Answer 1

insoluble in water
ex: fats, oil, waxes

Question 2

phospholipid molecule

Answer 2

phospate group + glycerol
hydrophilic head
hydrophobic tails

Question 3

hydrophilic head

Answer 3

polar attracts water

Question 4

hydrophobic tail

Answer 4

non polar repels water
-fatty acids
-hydrocarbons cause double bond

Question 5

cholesterol

Answer 5

found in animal cells

Question 6

noncytosolic

Answer 6

extracellular side

Question 7

cytosolic

Answer 7

intracellular side

Question 8

scramblase
-atp independent

Answer 8

• protein that transports new phospholipids to other layer (randomly)
  -maintains growth of ER

Question 9

Receptor Proteins
What does it effect?

Answer 9

Protein function
Gene expression

Question 10

https://www.sporcle.com/games/t_rev19/phospholipid-structure

Question 11

Lipsomes

Answer 11

Circular vesicles used in lab to study membrane in detergent

Question 12

Most common phospholipid

Answer 12

phosphotidylcholine

Question 13

Peripheral Membrane Protein

Answer 13

Protein to protein non covalent
can easily dissociate

Question 14

Channel Proteins

Answer 14

Pump Ions in and out of cell

Question 15

Least Mobile protein

Answer 15

Transmembrane
anchor cell membrane to cystokeleton

Question 16

Transmembrane

Answer 16

type of protein that connects outer to inner
Example:

Question 17

Pore

Answer 17

multiple a helices- create Chanel that allows water soluble ions through cell membrane

Question 18

can be hydrophobic or hydrophillic

Answer 18

Amino Acid R group

Question 19

Bacteria version of pore

Answer 19

Porin
in outer mitrochondial membrane
uses beta barrels

Question 20

Characteristics of membrane environment

Answer 20

-hydophilic inside hydrophobic outside
due to non polar environments

Question 21

Cortex

Answer 21

infrastructure under membrane gives shape/support