CHE 4342 Chapter 20 Parts 1, 2, 3A, 3B Questions With
Complete Solutions
About how many different fatty acids are known to naturally
occur? Correct Answers 40
Ackee fruit releases a poison, hypoglycin, that does what?
Correct Answers Inhibits Acyl-CoA dehydrogenase SCAD and
MCAD
Acyl CoA Dehydrogenase is a family of 3 matrix enzymes, each
named what? Correct Answers SCAD, MCAD, VLCAD
Acyl-CoA Synthetase (Thiokinase) is what EC classification?
Correct Answers EC6 Ligase
An MCAD deficiency causes what? Correct Answers 10% of
Sudden Infant Death Syndrome
Are nutritional ketosis and diabetic ketoacidosis the same thing?
Correct Answers No
Beta Ketothiolase (KT) forms a new thioester in which step of
beta oxidation? What is important about this rxn? Correct
Answers Step 4. This step is highly exergonic and drives the
other 3 steps
Compare energy obtained by oxidizing fatty acids vs.
carbohydrates? Correct Answers ~12000 vs. ~3000
, Composition of a triacylglycerol (TAG) (Triglyceride)? Correct
Answers Glycerol backbone, 3 fatty acids
Double bonds on fatty acids are most commonly what
conformation? Correct Answers Cis
Electrons are passed from Acyl-CoA dehydrogenase to what?
Correct Answers Electron transfer flavoprotein ETF
2 e-
Electrons are passed from electron transfer flavoprotein (ETF) to
what? Correct Answers ETF:Ubiquinone oxidoreductase
(ETF:QO)
2e-
Electrons from ETF: Ubiquinone oxidoreductase are passed to
what? Correct Answers Electron Transport Chain (Q)
2e-
Enoyl-CoA Hydratase (EH) are also known as what? Which rxn
of beta oxidation uses this enzyme? Correct Answers Lyase,
Crotonase
Rxn 2, hydration of CH=CH alpha beta bond
Enzymes 2,3 and 4 of the VLCAD system make a complex
called what? Correct Answers Mitochondrial Trifunctional
Protein (MTP)
Complete Solutions
About how many different fatty acids are known to naturally
occur? Correct Answers 40
Ackee fruit releases a poison, hypoglycin, that does what?
Correct Answers Inhibits Acyl-CoA dehydrogenase SCAD and
MCAD
Acyl CoA Dehydrogenase is a family of 3 matrix enzymes, each
named what? Correct Answers SCAD, MCAD, VLCAD
Acyl-CoA Synthetase (Thiokinase) is what EC classification?
Correct Answers EC6 Ligase
An MCAD deficiency causes what? Correct Answers 10% of
Sudden Infant Death Syndrome
Are nutritional ketosis and diabetic ketoacidosis the same thing?
Correct Answers No
Beta Ketothiolase (KT) forms a new thioester in which step of
beta oxidation? What is important about this rxn? Correct
Answers Step 4. This step is highly exergonic and drives the
other 3 steps
Compare energy obtained by oxidizing fatty acids vs.
carbohydrates? Correct Answers ~12000 vs. ~3000
, Composition of a triacylglycerol (TAG) (Triglyceride)? Correct
Answers Glycerol backbone, 3 fatty acids
Double bonds on fatty acids are most commonly what
conformation? Correct Answers Cis
Electrons are passed from Acyl-CoA dehydrogenase to what?
Correct Answers Electron transfer flavoprotein ETF
2 e-
Electrons are passed from electron transfer flavoprotein (ETF) to
what? Correct Answers ETF:Ubiquinone oxidoreductase
(ETF:QO)
2e-
Electrons from ETF: Ubiquinone oxidoreductase are passed to
what? Correct Answers Electron Transport Chain (Q)
2e-
Enoyl-CoA Hydratase (EH) are also known as what? Which rxn
of beta oxidation uses this enzyme? Correct Answers Lyase,
Crotonase
Rxn 2, hydration of CH=CH alpha beta bond
Enzymes 2,3 and 4 of the VLCAD system make a complex
called what? Correct Answers Mitochondrial Trifunctional
Protein (MTP)
