lipids

Question 1

lipids characteristics

Answer 1

insoluble in water
high nonpolar parts (hydrophobic)

Question 2

three lipid types

Answer 2

triglycerdies, phospholipids,
cholestrol

Question 3

tri(acyl)glycerides

Answer 3

energy storage and use

Question 4

phospholipids and other membrane lipids

Answer 4

membrane

Question 5

cholesterol and other sterols

Answer 5

membrane/singlaing

Question 6

fatty acid

Answer 6

long hydrocarbon structures with carboxyl group at begining

Question 7

sat fatty acid

Answer 7

only single carbon carbon bonds on hydrogen

Question 8

unsatturated fatty acid

Answer 8

one carbon carbon double bond

Question 9

monosat fatty acid

Answer 9

one carbon carbon double bond

Question 10

polyunstaturated fatty acid

Answer 10

more than 1 carbon carbon double bond

Question 11

most fatty acids are found in what configuration

Answer 11

cis

Question 12

triglycerides units

Answer 12

1 glycerol
3 fatty acid

Question 13

glycerol

Answer 13

3 carbon compound with oh group on each

Question 14

fatty acid

Answer 14

hydrocarbon chain with carboxyl at end

Question 15

how are triglycerides linked

Answer 15

ester links

Question 16

triglycerides role

Answer 16

excellent molecule energy storage

Question 17

phospholipids parts

Answer 17

hydrophilic heads
nonpolar fatty acid tails

Question 18

amphipathic

Answer 18

both hydrophillc/hydrophobic
good for membranes

Question 19

phospholipid composition

Answer 19

1 glycerol
2 fatty acid
3 a phosphate group with an glycerol with an OH

Question 20

spontaneous lipid bilayer formation

Answer 20

clustering of hydrophobic regions toward the inside and hydrophilic region exposed to the water environment

Question 21

what are is the basis of biological membrane

Answer 21

lipid bilayers

Question 22

plasma membrane charge facing extracellular space and cytosol

Answer 22

extracell- neutral
cytosol- negative

Question 23

cholesterol

Answer 23

helps stiffen membrane fluidity