Lec 8 Membranes

Question 1

the cell as well as blank has a cell membrane

Answer 1

organelles

Question 2

outer membrane of blank is continuous with RER

Answer 2

nucleus

Question 3

RER is the site of blank

Answer 3

translation

Question 4

cis face is the same as the blank face of golgi

Answer 4

forming

Question 5

trans face is same as blank face of golgi

Answer 5

maturing

Question 6

inner membrane contains

Answer 6

ETC

Question 7

matrix of mitochondria is where most of the blank enzymes reside

Answer 7

TCA

Question 8

invaginations of inner membrane of mitochondria

Answer 8

cristae

Question 9

pH of lysosomes is

Answer 9

5

Question 10

lysosomes are critical in secretion of blank

Answer 10

thyroid hormones

Question 11

lysosomal metabolism storage disease

Answer 11

tay sachs

Question 12

everything inside membrane and outside organelles

Answer 12

cytosol

Question 13

cytosol is the site of blank

Answer 13

glycolysis/fatty acid synthesis

Question 14

membranes are non covalent and blank

Answer 14

asymmetric

Question 15

most phospholipids are derived from

Answer 15

phosphatidic acid

Question 16

phosphatidic acid is found in blank cell types

Answer 16

most

Question 17

plasmologens are found in blank cell systems

Answer 17

nervous, immune, cardiovascular

Question 18

structure of myelin sheath

Answer 18

sphinogmyelin

Question 19

sphingosine and fatty acid via amide linkage makes up a blank

Answer 19

ceramid

Question 20

sphingomyelin, ceramide, phosphatidic acid, plasmologens all have blank

Answer 20

two fatty acid tails + polar head

Question 21

hydrophobic and hydrophilic means blank

Answer 21

amphipathic

Question 22

plasma membranes in water are subject to the blank

Answer 22

hydrophobic effect

Question 23

phospholipid bilayers form blank, and are flexible

Answer 23

spontaneously

Question 24

cell membranes are impermeable to blank molecules

Answer 24

polar

Question 25

membrane fluidity influences these two things

Answer 25

transport, protein funciton

Question 26

saturated fatty acid has blank carbon double bonds

Answer 26

no

Question 27

unsaturated fatty acids have blank carbon double bonds

Answer 27

at least one

Question 28

blank configuration of fatty acid will prevent close packing

Answer 28

cis

Question 29

membrane fluidity is blank under cooler conditions

Answer 29

more fluid

Question 30

membranes are blank fluid with more cholesterol

Answer 30

less

Question 31

low cholesterol means blank membrane so it is easier to insert blank

Answer 31

thin, proteins

Question 32

cannot remove blank proteins without destroying membrane

Answer 32

integral

Question 33

blank proteins can easily be removed from membrane without destroying it

Answer 33

peripheral

Question 34

post translational modification where membrane protein is covalently attached to a lipid in the membrane

Answer 34

lipid anchored

Question 35

lipid anchored protein does not interact with the membrane blank

Answer 35

directly

Question 36

blank must be stripped to get polar molecule across membrane

Answer 36

water shell

Question 37

blank proteins help get glucose through membrane

Answer 37

facilitator

Question 38

glucose transport in most cells is blank

Answer 38

uniport in

Question 39

sodium and glucose co transport in the gut

Answer 39

symport in

Question 40

chlorine and HCO3 in red cell membranes to get atp and adp across membranes is blank

Answer 40

antiport

Question 41

once in the cell, glucose undergoes blank to make it remain in the cell

Answer 41

phosphorylation

Question 42

transport proteins resemble enzymes because they blank

Answer 42

speed up a process, get saturated, are specific

Question 43

membranes are blank active

Answer 43

surface