BCH 361 Exam with Questions and 100% Correct Verified Solutions| Latest Update

BCH 361 Exam with Questions and
100% Correct Verified Solutions|
Latest Update

To oxidize the fatty acids in a triacylglycerol, what must occur first? - Answer A)fatty
acid activation
lipolysis
*B) lipolysis*

D) oxidation of a carbon-carbon single
bond to an alkene
C) transport into the mitochondria E) cleavage of acetyl CoA



What are the β-oxidation products of stearic acid, a saturated fatty acid with
18 carbons? - Answer A) 9 NADH, 9 FADH2, 9 acetyl-CoA *D) 8 NADH, 8 FADH2,
9 acetyl-CoA*
B) 9 NADH, 8 FADH2, 9 acetyl-CoA
E) 8 NADH, 7 FADH2, 9 acetyl-CoA
C) 8 NADH, 9 FADH2, 9 acetyl-CoA


Fatty acid oxidation occurs in the _____; fatty acid synthesis occurs in the _____. -
Answer *A) mitochondria; cytosol*
B) mitochondria; lysosome

, C) lysosome; Golgi apparatus
D) cytosol; Golgi apparatus
E) mitochondria; endoplasmic reticulum


Acetyl-CoA carboxylase requires the coenzyme _____ and _____ as an energy
source. - Answer A) FADH2; acyl-CoA hydrolysis

B) NADPH; GTP
*C) biotin; ATP*
D) coenzyme A; GTP
E) thiamine pyrophosphate; acyl-CoA hydrolysis



Which of the following pathways supplies NADPH needed for fatty
acid synthesis in mammals? - Answer A) citric acid cycle C) glycolysis
*B) pentose phosphate pathway*
D) light reactions of photosynthesis



Which enzyme is the most important control point for fatty acid synthesis? - Answer
A) ATP-citrate lyase
D) 3-hydroxyacyl-ACP dehydrase
B) transacylase
*E) acetyl-CoA carboxylase*
C) 3-ketoacyl-ACP reductase



The conversion of 3-hydroxybutyrate to two molecules of acetyl-CoA produces
1 NADH and consumes 1 equivalent of ATP. What is the net ATP yield from the
complete oxidation of 3-hydroxybutyrate? - Answer A) 1.5