Fatty Acid Metabolism Quiz

What is the major site of fatty acid oxidation in the body?

• Cytosol

• Mitochondria

• Nucleus

• Lysosome

What process breaks down triglycerides into glycerol and free fatty acids?

• Transamination

• Glycolysis

• Lipolysis

• Beta-oxidation

Which enzyme initiates lipolysis in adipose tissue?

• Lipoprotein lipase

• Acetyl-CoA carboxylase

• Hormone-sensitive lipase

• Pancreatic lipase

What is the end product of beta-oxidation?

• Pyruvate

• Acetyl-CoA

• Glycerol

• NADH

Where does fatty acid synthesis occur?

• Mitochondrial matrix

• Inner mitochondrial membrane

• Cytoplasm

• Peroxisome

What compound inhibits Carnitine Acyltransferase I (CAT-I)?

• Citrate

• ATP

• Malonyl-CoA

• Acetyl-CoA

What is the primary site for ketone body synthesis?

• Kidney

• Liver

• Muscle

• Intestine

Which ketone body is used most efficiently by the brain?

• Acetone

• Beta-hydroxybutyrate

• Acetoacetate

• All equally

Which of the following is NOT a ketone body?

• Acetoacetate

• Acetyl-CoA

• Beta-hydroxybutyrate

• Acetone

During fasting, what is the role of ketone bodies?

• Waste products

• Stored in fat

• Alternate energy source for tissues

• Gluconeogenesis precursor