Exam 4

Question 1

Maltose

Answer 1

Glucose + glucose

Question 2

Lactose

Answer 2

Glucose + galactose

Question 3

Sucrose

Answer 3

Glucose + fructose

Question 4

High fructose corn syrup

Answer 4

Glucose + fructose

Question 5

What is an isomer of DHAP

Answer 5

Glyceraldehyde-3-p

Question 6

What enzyme converts fructose into f-1-p?

Answer 6

Fructokinase

Question 7

What enzyme converts galactose to galactose-1-p

Answer 7

Galactokinase

Question 8

What are the other names for the Pentose phosphate pathway

Answer 8

Hexokinase monophosphate shunt or 6-p-gluconate pathway

Question 9

Where does the pentose phosphate pathway occur

Answer 9

Cytoplasm

Question 10

Purpose of pentose phosphate pathway

Answer 10

5-carbon sugar, nucleotides, nadph

Question 11

Transketolase

Answer 11

Needs thiamine pyrophosphate, moves two carbons

Question 12

Transaldose

Answer 12

Moves 3 carbons

Question 13

Purpose of nadph

Answer 13

Reductive biosynthesis + reduction of hydrogen peroxide

Question 14

Nadph oxidizes…

Answer 14

Glutathione

Question 15

Nadh reduces…

Answer 15

Glutathiane

Question 16

Oxidative reactions are

Answer 16

Irreversible

Question 17

Nonoxidative reactions are

Answer 17

Reversible

Question 18

Pentose phosphate pathway products

Answer 18

Nadph, glyceraldehyde-3-p, f-6-p

Question 19

What enzyme converts glucose-6-p to 6-phosphoglucono-a-lactone

Answer 19

Glucose-6-p dehydrogenase

Question 20

What enzyme converts 6-phosphoglucono-a-lactone to 6-phosphogluconate

Answer 20

Lactonase

Question 21

What enzyme converts 6-phosphogluconate to ribulose-5-p

Answer 21

6-phosphogluconate dehydrogenase

Question 22

Insulin dependent diabetes

Answer 22

Type 1

Question 23

Non-insulin dependent

Answer 23

Type 2

Question 24

Diabetes

Answer 24

Disease where the body doesn’t produce/properly use insulin

Question 25

Abrupt onset diabetes

Answer 25

Type 1

Question 26

What enzyme converts acetyl-coa to citrate in the mitochondria in lipogenesis

Answer 26

Citrate synthase

Question 27

What enzyme converts citrate to acetyl-coa in the cytoplasm in lipogenesis

Answer 27

ATP-citrate lyase

Question 28

What enzyme converts acetylcholine-coa to malonyl-coA

Answer 28

Acetyl-coa carboxylase

Question 29

What is required for the conversion of acetyl-coA to malonyl-CoA

Answer 29

Biotin

Question 30

When does fatty acid synthase stop reducing/hydrating

Answer 30

When it reaches 16 carbons

Question 31

What makes up the main glycerol backbone

Answer 31

Glycerol-kinase + DHAP to glycerol-3-p

Question 32

What enzyme puts glycerol + the fatty acid together in lipogenesis

Answer 32

Acetyltransferase

Question 33

What removes the phosphate from the glycerol

Answer 33

Phosphatase

Question 34

What enzyme converts glycerol to glycerol-3-p

Answer 34

Glycerol kinase

Question 35

What enzyme converts glycerol-3-p to DHAP

Answer 35

Glycerol-3-p dehydrogenase

Question 36

What are the products of lipolysis

Answer 36

Nadh, fadh2, acetyl-coa

Question 37

What enzyme is in the outer mitochodrial membrane

Answer 37

CAT-I or CPT-I

Question 38

What enzyme is in the inner mitochodrial membrane

Answer 38

CAT-II or CPT-II

Question 39

What enzyme converts acetylcholine-coa to hmg-coa in cholesterol synthesis

Answer 39

Hmg reductanase

Question 40

What enzyme condenses 2 acetyl-coa to acetoacetyl-coa in cholesterol

Answer 40

Thiolase

Question 41

What are the roles of cholesterol

Answer 41

Fluidity of cell membranes, precursor to bile salt, + precursor to steroid hormones