Biochemistry 2 Flashcards Preview

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Flashcards in Biochemistry 2 Deck (31):
1

Calculates the concentration of a weak

Henderson Hasselbach Equation

2

Co enzymes for pyruvate dehydrogenase

Love never fails to conquer (lipoic acid, nad, fad, thiamine pyrophosphate, CoA)

3

Where does the TCA occur?

Mitochondria (exept succinate dehydrogenase-inner membrane)

4

Rate limiting step in TCA

Isocitrate to a-ketoglutarate (isocitrate dehydrogenase)

5

GTP producing step in kreba

Succinyl Coa to succinate (succinate thiokinase) - "ang susu ay gumagawa ng Gatas)

6

FADH2 producing step in Krebs

Succinate to F-umarate (succinate dehydrogenase)

7

Step in krebs affected by fluoroacette

Citrate to isocitrate (aconitase)

8

TCA intermediate that delivers acetylCoA to the cytoplasm for fatty acid synthesis

Citrate

9

TCA intermediate that is a part of heme synthesis

Succinyl CoA

10

TCA intermediate that may be used for gluconeogensis

Malate

11

3 processess that occur in the liver and kidney

Gluconeogenesis, heme synthesis, urea cycle

12

Where does gluconeogenesis occur?

Liver, kidney

13

Rate limting step in gluconeogenesis

Fructose 1,6-bisphosphate to fructose 6- phosphate (fructose 1,6-bisphosphatase)

14

Conversion of lactate to glucose is via what?

Cori cycle

15

Rate limiting step of glycogenesis

Elongation of glycogen (glycogen synthase)

16

Rate limiting step of glycogenolysis

Removal of glucose (glycogen phosphorylase)

17

Lysosomal degradation of glycogen is via what enzyme?

Acid maltase

18

Activated form of galactose

UDP-galactose

19

Rate limiting step in B oxidation of fatty acids

Carnitine acyltransferase

20

Oxidation of fatty acid with an odd number yields what?

Acetyl CoA+ Propionyl CoA

21

Rate limiting enzyme in bile synthesis

Cholesterol-7-a- hydroxylase

22

Excreted bile is reabsorbed in wc part of the intestines

Terminal ileum

23

Precursor of all steroid hormones

Cholesterol

24

Mother hormone from wc all other hormones are derived

Pregnanolone

25

Rate limiting step in steroid hormone synthesis

Cholesterol to pregnanol (desmolase)

26

Only non protein part of ETC

Coenzyme Q

27

In thr ETC, protons are pumped to the intermemembranous space to create a gradient in wc 3 complexes

I,III,IV

28

Final electron acceptor in ETC

O2

29

2 components of ATP synthase

F0,F1

30

Component of atp synthase where protons pass through

F0

31

ATP generating component of ATP synthase

F1