bcm32

Question 1

trigylcerol storage

Answer 1

adipocytes

Question 2

lipid lipid intereaction

Answer 2

vdw

dipoles

Question 3

head = phillic + tail = phobic=?

Answer 3

amphipathic

Question 4

3 main lipid groups

Answer 4

glycerophospholipids
terpenes
sphingolipids

Question 5

where are pgls made

Answer 5

surface of ser

Question 6

how pgls distributed

Answer 6

assymetrically

Question 7

fippases

Answer 7

recognise lipids with amine head and move to cytosolic leaflet use atp

Question 8

scramblase

Answer 8

transverse flipflop no atp

Question 9

properties of phosphatidyl choline

Answer 9

main pgl in eukaryotes

=lecithins

Question 10

properties of phosphatidyl glycerol

Answer 10

cross linked to other lipids via head

Question 11

properties of phosphatidyl serine

Answer 11

negative charge contributes to membrane potential

- presence in ex leaflet = apoptosis

Question 12

properties of phosphatifyl ethanol amine

Answer 12

main pgl in bacteria

Question 13

properties of phosphatidyl inositol

Answer 13

cell signaling pathway.

Question 14

olive oil

Answer 14

oleic acid

Question 15

cocoa butter

Answer 15

unusual very saturated

stearic acid

Question 16

pokilotherms

Answer 16

cold water fish plants

unsaturated fats

Question 17

homeotherms

Answer 17

birds mammals

saturated fats

Question 18

sphingolipid structuralescription

Answer 18

sphingosine backbone replaces glycerol and 1 fatty acid

Question 19

sphingolipid analogue of phosphatidyl choline

Answer 19

sphingomyeline

Question 20

sphingolipid function description

Answer 20

nerve and brain cell membranes

Question 21

glycolipids role, properties, example

Answer 21

ns
compact and impermeable, may form lipid raft
galactocerebroside, myelin

Question 22

terpenes examples

Answer 22

terpenoid
isoprenoid
prenyllipid
sterols and steroids
isoprene
retinal vitamin 
squalene
cholesterol

Question 23

lauric acid

Answer 23

12 carbon mp 43

Question 24

myristic acid

Answer 24

14 carbon 54mp

Question 25

palmitic acid

Answer 25

16 carbon 63mp

Question 26

stearic acid

Answer 26

18 carbon 70mp

Question 27

steric acid type mp

Answer 27

saturated 70mp

Question 28

oleic acid

Answer 28

monounsaturated 13mp

Question 29

linolenic acid

Answer 29

polyunsaturated -10

Question 30

prenyl groups

Answer 30

covalently link to terpenes to anchor them to membrane

Question 31

cholesterol effect on fluidity

Answer 31

conflicting | ring steroids stiffen-less fluid but also interfere with crystallisation of fatty acid chains and prevent freezing

Question 32

rab protein

Answer 32

protein family of gtpases that regulate many steps of membrane traffic and vesciles

Question 33

methanopyrus

Answer 33

archea live in black smokers | methyl groups reduce rotation

Question 34

thermoplasma

Answer 34

``` no cell wall lipids span membrane lives at ph2 60 degrees gel like monolayer not fluid mosaic ```

Question 35

hymothermophiles membrane

Answer 35

gel like transmembrane lipid

Question 36

archea membrane lipid

Answer 36

terpene alcohol side chain often lack head group have ether bonds allows to resit hydrolysis in extreme conditions