Biochemistry 2

Question 1

Calculates the concentration of a weak

Answer 1

Henderson Hasselbach Equation

Question 2

Co enzymes for pyruvate dehydrogenase

Answer 2

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

Question 3

Where does the TCA occur?

Answer 3

Mitochondria (exept succinate dehydrogenase-inner membrane)

Question 4

Rate limiting step in TCA

Answer 4

Isocitrate to a-ketoglutarate (isocitrate dehydrogenase)

Question 5

GTP producing step in kreba

Answer 5

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

Question 6

FADH2 producing step in Krebs

Answer 6

Succinate to F-umarate (succinate dehydrogenase)

Question 7

Step in krebs affected by fluoroacette

Answer 7

Citrate to isocitrate (aconitase)

Question 8

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

Answer 8

Citrate

Question 9

TCA intermediate that is a part of heme synthesis

Answer 9

Succinyl CoA

Question 10

TCA intermediate that may be used for gluconeogensis

Answer 10

Malate

Question 11

3 processess that occur in the liver and kidney

Answer 11

Gluconeogenesis, heme synthesis, urea cycle

Question 12

Where does gluconeogenesis occur?

Answer 12

Liver, kidney

Question 13

Rate limting step in gluconeogenesis

Answer 13

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

Question 14

Conversion of lactate to glucose is via what?

Answer 14

Cori cycle

Question 15

Rate limiting step of glycogenesis

Answer 15

Elongation of glycogen (glycogen synthase)

Question 16

Rate limiting step of glycogenolysis

Answer 16

Removal of glucose (glycogen phosphorylase)

Question 17

Lysosomal degradation of glycogen is via what enzyme?

Answer 17

Acid maltase

Question 18

Activated form of galactose

Answer 18

UDP-galactose

Question 19

Rate limiting step in B oxidation of fatty acids

Answer 19

Carnitine acyltransferase

Question 20

Oxidation of fatty acid with an odd number yields what?

Answer 20

Acetyl CoA+ Propionyl CoA

Question 21

Rate limiting enzyme in bile synthesis

Answer 21

Cholesterol-7-a- hydroxylase

Question 22

Excreted bile is reabsorbed in wc part of the intestines

Answer 22

Terminal ileum

Question 23

Precursor of all steroid hormones

Answer 23

Cholesterol

Question 24

Mother hormone from wc all other hormones are derived

Answer 24

Pregnanolone

Question 25

Rate limiting step in steroid hormone synthesis

Answer 25

Cholesterol to pregnanol (desmolase)

Question 26

Only non protein part of ETC

Answer 26

Coenzyme Q

Question 27

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

Answer 27

I,III,IV

Question 28

Final electron acceptor in ETC

Answer 28

O2

Question 29

2 components of ATP synthase

Answer 29

F0,F1

Question 30

Component of atp synthase where protons pass through

Answer 30

F0

Question 31

ATP generating component of ATP synthase

Answer 31

F1