WorksheetsQuiz on intro to metabolism: fuels Interconversion
Total questions: 10
Worksheet time: 5mins
What percentage of energy intake does dietary fat provide in Western countries?
10% to 20%
50% to 60%
35% to 45%
25% to 30%
Which metabolic process is inhibited by a high intake of fat?
Glycogenesis
Lipogenesis
Gluconeogenesis
Beta-oxidation
What is the product of the final cycle of β-oxidation for fatty acids with an odd number of carbon atoms?
Propionyl CoA
Glycerol
Acetyl-CoA
Oxaloacetate
Which amino acids yield only acetyl-CoA on oxidation?
Alanine and Glycine
Tryptophan and Isoleucine
Phenylalanine and Tyrosine
Lysine and Leucine
What is the primary substrate for gluconeogenesis?
Acetyl-CoA
Oxaloacetate
Glycerol
Propionyl CoA
Which of the following amino acids is classified as glucogenic?
Phenylalanine
Lysine
Leucine
Acetyl-CoA
What happens to carbon atoms from acetyl-CoA in the citric acid cycle?
They are converted to glucose
They are lost as carbon dioxide
They are stored as glycogen
They are used for lipogenesis
Which metabolic pathway cannot utilize fatty acids for glucose synthesis?
Glycogenesis
Gluconeogenesis
Lipogenesis
Citric Acid Cycle
What is the fate of excess amino acids in the body?
They are stored as fat
They yield pyruvate or citric acid cycle intermediates
They are excreted unchanged
They are converted to ketone bodies
Which of the following is a substrate for gluconeogenesis?
Acetyl-CoA
Glycerol
Fatty acids
Propionyl CoA
