Triglycerides are essential fats that give our body the necessary energy to function. How much do you know about Triglyceride? Take this trivia quiz will test your knowledge. Can you answer all the questions on our awesome fun quiz? Do you know it all? Let's see you try! Please make sure to attempt all the questions on our quiz to get accurate results. All the very best for the quiz! Hope you get them all right!
Bound to hemoglobin.
Carried by the protein serum albumin.
Freely soluble in the aqueous phase of the blood.
Nonexistent; the blood does not contain free fatty acids.
Present at levels that are independent of epinephrine.
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ATP, carnitine, and coenzyme A.
ATP, carnitine, and pyruvate dehydrogenase.
ATP, coenzyme A, and hexokinase.
ATP, coenzyme A, and pyruvate dehydrogenase.
Carnitine, coenzyme A, and hexokinase.
3
10
25
108
1,000
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Adipose tissue.
Intestinal mucosa.
Kidney
Liver
Muscle
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Hydrolysis of triacylglycerols of plasma lipoproteins to supply fatty acids to various tissues.
Intestinal uptake of dietary fat.
Intracellular lipid breakdown of lipoproteins.
Lipoprotein breakdown to supply needed amino acids.
None of the above.
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Acetyl–CoA
Fatty acyl–carnitine
Fatty acyl–CoA
Malonyl–CoA
None of the above can cross.
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Acetyl-CoA
FADH2
H2O
H2O2
NADH
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Hydrolyze lipids stored in the liver.
Hydrolyze membrane phospholipids in hormone-producing cells.
Hydrolyze triacylglycerols stored in adipose tissue.
Synthesize lipids in adipose tissue.
Synthesize triacylglycerols in the liver.
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1, 2, 3, 4
3, 1, 4, 2
4, 3, 1, 2
1, 4, 3, 2
4, 2, 3, 1
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1 and 3 only
1, 2 and 3
1, 2 and 5
3 and 5 only
4 only
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Butyrate.
Citrate.
Malate
Succinyl-CoA.
-ketoglutarate.
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CH3—(CH2)20—CO—COOH
CH3—CH2—CO—CH2—CO—OPO3 2–
CH3—CH2—CO—CH2—OH
CH3—CH2—CO—CO—S—CoA
CH3—CO—CH2—CO—S—CoA
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Glucose.
Glucose-6-phosphate.
Dihydroxyacetone phosphate.
Pyruvate.
Glyceryl CoA.
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Acyl-carnitines readily cross the mitochondrial inner membrane, but acyl-CoAs do not.
Acyl-CoAs easily cross the mitochondrial membrane, but the fatty acids themselves will not.
Carnitine is required to oxidize NAD+ to NADH.
Fatty acids cannot be oxidized by FAD unless they are in the acyl-carnitine form.
None of the above is true.
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Pyruvate carboxylase
Carnitine acyl transferase I
Acetyl CoA dehydrogenase
Enoyl CoA isomerase
Methylmalonyl CoA mutase
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16-carbon saturated fatty acid
18-carbon mono-unsaturated fatty acid
16-carbon mono-unsaturated fatty acid
16-carbon poly-unsaturated fatty acid
14-carbon saturated fatty acid
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CH3(CH2)10COOH
CH3(CH2)11COOH
CH3(CH2)12COOH
CH3(CH2)14COOH
CH3(CH2)18COOH
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1 mol of ATP is needed.
8 mol of acetyl-CoA are formed.
8 mol of FADH2 are formed.
AMP and PPi are formed.
The reactions occur in the mitochondria.
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2
3
4
6
5
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Alanine > glucose > palmitate (16:0)
Glucose > alanine > palmitate
Glucose > palmitate > alanine
Palmitate > alanine > glucose
Palmitate > glucose > alanine
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About 1,200 ATP molecules are ultimately produced per 20-carbon fatty acid oxidized.
One FADH2 and two NADH are produced for each acetyl-CoA.
The free fatty acid must be carboxylated in the beta position by a biotin-dependent reaction before the process of beta oxidation commences
The free fatty acid must be converted to a thioester before the process of beta oxidation commences
Two NADH are produced for each acetyl-CoA.
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B-oxidation and W-oxidation occur in the cytoplasm.
B oxidation occurs at the carboxyl end of the fatty acid whereas W oxidation occurs at the methyl end.
B oxidation occurs at the methyl end of the fatty acid whereas W oxidation occurs at the carboxyl end.
B oxidation occurs mainly in the cytoplasm whereas W oxidation occurs mainly in the mitochondria.
B oxidation occurs mainly in the mitochondria whereas W oxidation occurs mainly in the cytoplasm.
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1 and 5 only
1, 2 and 5
1, 2 and 6
1, 3 and 5
5 only
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Acetoacetyl-CoA.
Acetone.
Beta-hydroxybutyric acid.
Beta-hydroxybutyryl-CoA.
Lactic acid.
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CH3(CH2)10COOH + 5FAD + 5NAD+ + 6CoA—SH + 5H2O + ATP 6 Acetyl-CoA + 5FADH2 + 5NADH + 5H+ + AMP + PPi
CH3(CH2)10COOH + 5FAD + 5NAD+ + 6CoA—SH + 5H2O 6 Acetyl-CoA + 5FADH2 + 5NADH + 5H+
CH3(CH2)10COOH + 6FAD + 6NAD+ + 6CoA—SH + 6H2O + ATP 6 Acetyl-CoA + 6FADH2 + 6NADH + 6H+ + AMP + PPi
CH3(CH2)10COOH + 6FAD + 6NAD+ + 6CoA—SH + 6H2O 6 Acetyl-CoA + 6FADH2 + 6NADH + 6H+
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1 FADH2 and 1 NADH.
1 FADH2 and 1 NADPH.
1 FADH2, 1 NADH, and 1 ATP.
2 FADH2 and 2 NADH.
2 FADH2, 2 NADH, and 1 ATP.
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Acetyl-CoA.
Beta-hydroxy butyryl-CoA.
Both acetyl-CoA and propionyl-CoA.
Palmitoyl-CoA.
Propionyl-CoA.
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1, 2 and 3
1, 2 and 5
2, 3 and 4
2, 3 and 5
3 and 5 only
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