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AGBI 410 > Lecture 21 > Flashcards

Lecture 21 Flashcards

1
Q

how many ATP formed by citric acid cycle per turn

A

1

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2
Q

EACH NADH drives formation of how many ATP

A

2.5

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3
Q

each FADH drives formation of how many ATP

A

1.5

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4
Q

CAC accepts what carbon skeletons

A

3, 4, 5

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5
Q

breakdown of amino acids yields what two skeletons

A

deaminated aspartate yields oxaloacetate, deaminiated glutamate yields alpha ketoglutarate

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6
Q

ample fatty acids and acetyl coa being present does what to PDH complex

A

turns it off

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7
Q

for PDH complex to be turned off, should ATP/ADP be high or low

A

high

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8
Q

when energy demands are high, what happens to PDH complex

A

it is on

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9
Q

inhibits PDH complex by phosphorylation

A

PDH kinase

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10
Q

reverses inhibitonof PDH kinase

A

PDH phosphatase

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11
Q

what activates citrate synthase

A

ADP

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12
Q

what disables citrate syn

A

NADH, succinylcoa, citrate, ATP

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13
Q

what activates isocitrate dehydrogenase

A

Ca2+, ADP

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14
Q

what disables isocitrate dehydrogenase

A

ATP

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15
Q

alpha ketogluerate dehydrogenase complex what activates it

A

Ca2+

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16
Q

what disables alpha ketogluterate dehydrogenase complex

A

succinylcholine CoA, NADH

17
Q

can a lot of the CAC be turned into other things

A

yes

18
Q

chemical rxns that replenish intermediates

A

anaplerotic rxns

19
Q

pathway that is both anabolic and catabolic

A

ampibolic pathway

20
Q

what can animals not convert

A

acetate or acetyl CoA to glucose

21
Q

rxn sequence that converts acetate to carbohydrate

A

glyoxylate cycle

22
Q

specialized peroxisomes where acetyl CoA is formed from triacylglycerols and glyoxylate cycle occurs

A

glyoxysomes

23
Q

converts acetate to succinate or another 4 carbon intermediate of the CAC

A

glyoxylate cycle

24
Q

catalyzes cleavage of isocitrate to succinate and glyoxylate

A

isocitrate lyase

25
Q

catalyzes condensation of flyoxylate with acetyl CoA to yield malate

A

malate synthesis

26
Q

glyoxylate cycle bypasses what

A

2 decarboxylation reactions in CAC

27
Q

key intermediate in glyoxylate and TCA cycle

A

isocitrate

AGBI 410 (26 decks)

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