Test 3 Fatty Acid synthesis

Question 1

where does fatty acid synthesis occur

Answer 1

in the cytoplasm

Question 2

intermediates are linked to

Answer 2

acyl carrier proteins (ACP)

Question 3

all the enzymes for synthesis are linked in a big complex called

Answer 3

fatty acid synthase

Question 4

the activated donor of acetyl group is

Answer 4

malonyl-ACP

Question 5

the reductant is

Answer 5

NADPH

Question 6

elongation stops at carbon?

Answer 6

16

Question 7

who is the transporter for beginning molecules to leave and enter mitochondria

Answer 7

citrate

Question 8

what does acetyl-Coa condense with to form citrate

Answer 8

oxaloacetate

Question 9

what enzyme is used to catalyze acetyl-CoA and oxaloacetate together

Answer 9

citrate synthase

Question 10

what is the committing step #1 of fatty acid synthesis

Answer 10

acetyl CoA becoming malonyl CoA

Question 11

what enzyme is used to make acetyl CoA become malonyl CoA

Answer 11

acetyl-CoA carboxylase

Question 12

what enzyme is used to make acetyl and malonyl CoA become ACP

Answer 12

acetyl or malonyl transacylase

Question 13

how many aa residues make up ACP

Answer 13

77

Question 14

what are the reaction steps in fatty acid synthesis

Answer 14

condensation, reduction, dehydration, reduction

Question 15

what is produced when citrate has left mitochondria and into cytoplasm

Answer 15

NADPH

Question 16

how many units are in the fatty acid synthase complex

Answer 16

3

Question 17

if elongation of fatty acids beyond 16 carbons happens, where does it occur

Answer 17

ER

Question 18

how many carbons are added during elongation

Answer 18

2 carbons at a time

Question 19

who is the donor to the 2 carbons during elongation

Answer 19

malonyl-CoA