Lipid 1

Question 1

dynamic flexible barrier

Answer 1

PM

Question 2

ions sugars

other nutrients

Answer 2

active transport mechanism

Question 3

ER

Answer 3

ass with enzymes

Question 4

macromol transport

Answer 4

LDL (into cell)

collagen out of cell

Question 5

non covalent intractions

Answer 5

membrane architecture

Question 6

Carbohydrates ass with

Answer 6

lipids(glycolipids) or proteins(glycoproteins)

(on PM)

Question 7

glycerol based lipids

Answer 7

PI PC PE PS

in the membrane

Question 8

meyelin

Answer 8

higher lipid; protein

Question 9

inner mit. membrane

Answer 9

lower lipid; protein

Question 10

erthrocyte

Answer 10

middle lipid to protein compostion

Question 11

insultating membrane

Answer 11

more lipids

Question 12

very active membrane

Answer 12

more proteins

inner mit membrane

Question 13

phospholipids and chol make up lipid in

Answer 13

erythrocyte

Question 14

tf glycerol based lipids make up a huge percent of phospholipids

Answer 14

T

P…CES

make up 75%

Question 15

tf in erythrocyte membrane , phospholipids are made up of

Answer 15

50% choline containing lipids

Question 16

PC and SM

Answer 16

choline containing lipids

Question 17

FA making up phospholipid

Answer 17

50% sat; 50 % unsat

Question 18

20 diff proteins and complex

Answer 18

erythrocyte membrane

Question 19

ret. rod protein

Answer 19

1protein and simple

Question 20

rhodopsin

Answer 20

Rod proteins

Question 21

water insol

oil sol

phobic

Answer 21

Fa chain on phospholipid

Question 22

ampipathic

Answer 22

dual characteristics

Question 23

phillic

water soluble

and oil insoluble

Answer 23

PC

Question 24

– sealed, impermeable to polar molecules

Answer 24

vesicle(phospolipid bilayer strucuture)

Question 25

inc C number

Answer 25

inc temp

Question 26

DB are

Answer 26

cis in phospholipid bilayer

Question 27

db induces kink and

Answer 27

lower temp

Question 28

cholesterol

Answer 28

modulator of fluidity

Question 29

cholesterol

Answer 29

OH at 3 position

ampipathic

Question 30

SM and PC

Answer 30

outside of lipid membrane

Question 31

SM and PC

Answer 31

choline containing

Question 32

PE and PS

Answer 32

on inside of cell membrane

Question 33

Membrane

Answer 33

preferential and assymetric distribution of lipoproteins

Question 34

has a - charge with it

Answer 34

PS

(used for protein interactions)

Question 35

used for signal event in cell

Answer 35

PE

Question 36

very fast

Answer 36

Lat diffusion

Question 37

flippase

Answer 37

for transverse diffusion

very slow

Question 38

Need detergents to isolate

Answer 38

Integral/intrinsic membrane proteins

Question 39

Integral/intrinsic membrane proteins

Answer 39

pump or transporter

Question 40

Integral/intrinsic membrane proteins

Answer 40

Big protein icebergs floating in the 2D bilayer

Question 41

pumps receptors enzymes

Answer 41

integral/intrinsic membrane proteins

Question 42

Need pH and ionic strength to isolate these

Answer 42

Extrinsic membrane protein

Question 43

attachments to the inner surface phospholipid heads

Answer 43

extrinsic proteins

Question 44

structural to form the cell cytoskeleton

Enzymes recruited to the cytoplasmic side of the membrane to carry out a process

Answer 44

Extrinsic membrane proteins

Question 45

erythrocyte

Answer 45

biconcave shape

Question 46

osmotic shock

Answer 46

Hb out

membrane

Question 47

red ghost

Answer 47

pure preparation of just the plasma membrane

Question 48

tf red ghost is still biconcave because underneath the red cell membrane, there is a meshwork of proteins (cytoskeleton)

Answer 48

Red cell membrane ghost is still biconcave because underneath the red cell membrane, there is a meshwork of proteins (cytoskeleton)

Question 49

detergent extraction

Answer 49

removes ghost

but biconcave cytoskeleton still there