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01_Biochemistry > Carbohydrates > Flashcards

Carbohydrates Flashcards

1
Q

oxidation of glucose yields

A

glucuronic acid

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2
Q

reduction of glucose yields

A

sorbitol

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3
Q

gluc + fruc

A

sucrose

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4
Q

non reducing sugar

A

sucrose

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5
Q

only glut transporter requiring insulin

A

glut 4

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6
Q

glut 2 is found in the __ of SI; glut 5 __

A

basement membrane

lumen

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7
Q

MC type of glycolysis

A

Embden-Meyerhof Parnas pathway

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8
Q

RLS of glycolysis

A

F6P to F1,6 BP

Enzyme: PFK-1

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9
Q

1 step in glycolysis producing NADH

A

G3P to 1,3 BPG

Enzyme: G3P DH

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10
Q

glycerophosphate shuttle vs malate aspartate shuttle ATP yield

A

glycerophosphate shuttle 1.5 ATPs

malate aspartate shuttle 2.5 ATPs

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11
Q

1,3 BPG to 2,3 BPG in RBCs aka

A

Rappaport Luebering shunt pathway

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12
Q

coenzyme of PDH

A

TLC FN

thiamine, lipoic acid, coA, FAD, NAD

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13
Q

how As inhibits PDH

A

binds to lipoic acid

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14
Q

MCC of congenital LA

A

PDH def

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15
Q

RLS of TCA cycle

A

isocitrate to AKG

Enzyme: isocitrate DH

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16
Q

fluroacetate inhibits

A

isocitrate

citrate to isocitrate

17
Q

ATP yield for TCA

A

10 ATPs

18
Q

total ATP yield in oxidation of glucose

A

30 or 32 ATPs

19
Q

RLS of gluconeogenesis

A

F 1,6 BP to F6P

F 1, 6 BPase

20
Q

3 rxns carboxylases

A

Pyruvate → Oxaloacetate (Pyruvate carboxylase)
Acetyl CoA → Malonyl CoA (Acetyl CoA carboxylase)
Propionyl CoA → Methylmalonyl CoA (Propionyl CoA carboxylase)

21
Q

C4 epimer of glucose

A

galactose

22
Q

converts gluc to sorbitol

A

aldose reductase

23
Q

humans cannot produce vit C bec of absence of

A

L-gulonolactone oxidase

24
Q

RLS of PPP

A

G6P to 6 phosphogluconate

Enzyme: G6PD

25
Q

def in NADPH oxidase

A

Chronic Granulomatous Disease

01_Biochemistry (4 decks)

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