Recitation 2 Test 2

Question 1

aerobic tca requires a lot of blank

Answer 1

nad+

Question 2

succinyl coA is required for biosynthesis of blank

Answer 2

porphyrin

Question 3

tca cycle has blank function

Answer 3

amphibolic

Question 4

driving force for reaction mediated by citrate synthase

Answer 4

thioester bond energy

Question 5

tca cycle has 2 blank

Answer 5

substrate level phosphorylations

Question 6

two decarboxylation reactions in tca cycle

Answer 6

isocitrate dehydrogase, alpha ketoglutarate dehydrogenase

Question 7

two tca cycle reactions that require FAD

Answer 7

alpha ketoglutarate dehydrogenase (4), succinate dehydrogenase (6)

Question 8

what are 5 pdc cofactors

Answer 8

thiamine pyrophsophate, lipoamide, coA, fad, nad+

Question 9

which tca reaction requires cofactor thiamine pyrophosphate

Answer 9

alpha ketoglutarate dehydrogenase

Question 10

alpha ketoglutarate dehydrogenase has e1,e2,e3 just like blank

Answer 10

pdc

Question 11

which tca cycle enzyme also participates in mitochondrial electron transport

Answer 11

succinate dehydrogenase

Question 12

function of aconitase

Answer 12

create secondary alcohol from tertiary

Question 13

function of fumarase in tca cycle

Answer 13

create secondary hydroxyl group

Question 14

pdc is unique because it is subject to blank

Answer 14

tight regulation

Question 15

funciton of cytosolic malate dehydrogenase

Answer 15

electrons from nadh cytosol to mitochondria

Question 16

electron carriers of mitochondrial electron transport chain

Answer 16

flavin, iron sulfur, quinone, heme

Question 17

which electron transport complex gets electrons from nadh

Answer 17

complex 1

Question 18

which etc complex gets electrons from fadh2

Answer 18

complex 2

Question 19

mobile electron carriers of ETC

Answer 19

cytochrome c, CoQ

Question 20

which etc proteins contain heme

Answer 20

all cytochromes

Question 21

which etc complex has the weakes proton pumping activity

Answer 21

complex 4

Question 22

dnp speeds up blank

Answer 22

metabolism

Question 23

ETC and oxidative phosphorylation are coupled due to accumulation or consumption of blank

Answer 23

proton gradient

Question 24

catalase detoxifies blank

Answer 24

hydrogen peroxide

Question 25

hydroxyl radical is neutralized by blank

Answer 25

glutathione peroxidase and glutathione reductase

Question 26

superoxide is neutralized by blank

Answer 26

supraoxidase dimutase

Question 27

pathogenic role of streptococcal dextransucrase

Answer 27

adhesions, biofilm, protection against host immune cells

Question 28

amylose has blank glycosidic bonds

Answer 28

alpha 1,4

Question 29

amylopectin has these glycosidic bonds

Answer 29

alpha 1,4 ; alpha 1,6

Question 30

dry mouth

Answer 30

xerostomia

Question 31

tca cycle is 100 percent aerobic because it all happens where

Answer 31

mitochondrai