Fatty Acid Metabolism Quiz

What is the key enzyme in de novo synthesis of fatty acids?

• Fatty acid synthase

• Acetyl-CoA carboxylase

• Lipase

• HMG-CoA reductase

Which coenzyme is required by acetyl-CoA carboxylase?

• NAD+

• Biotin

• FAD

• Thiamine

The regulatory step in fatty acid synthesis is catalyzed by?

• Fatty acid synthase

• Acetyl-CoA carboxylase

• Lipase

• Malonyl-CoA reductase

Citrate activates which enzyme?

• Fatty acid synthase

• Malonyl-CoA decarboxylase

• Acetyl-CoA carboxylase

• Lipase

Which molecule is a precursor for malonyl-CoA?

• Palmitate

• Oxaloacetate

• Acetyl-CoA

• Acetoacetate

NADPH used in fatty acid synthesis is mainly produced from?

• Glycolysis

• HMP shunt

• Krebs cycle

• Gluconeogenesis

Fatty acid synthase complex is a?

• Single multifunctional polypeptide

• Separate enzymes

• Coenzyme

• Transport protein

Product of de novo fatty acid synthesis is?

• Acetoacetate

• Palmitate

• Oleate

• Stearate

Beta-oxidation of fatty acids occurs in the?

• Cytosol

• Nucleus

• Mitochondria

• Ribosome

The initial activation of fatty acids occurs in the?

• Mitochondria

• ER

• Nucleus

• Cytosol