Fatty acid catabolism-I

Approximately how many molecules of ATP can be produced from the oxidation of a 20 carbon fatty acid, including those produced in the Krebs cycle?

• 107

• 100

• 129

• 136

Name the energy source of the brain during starvation.

• Fat

• Ketone bodies

• Protein

• Lipids

What is lipolysis?

• Hydrolysis of triacylglycerol

• Formation of lipids

• Breakdown of ketone bodies

• Formation of ketone bodies

What chemical properties describe a free fatty acid molecule capable of producing the most energy when used as a fuel source, relative to other free fatty acids?

• Shorter hydrocarbon tail with a greater number of unsaturated bonds

• Longer hydrocarbon tail with a greater number of unsaturated bonds

• Longer hydrocarbon tail with a lesser number of unsaturated bonds

• Shorter hydrocarbon tail with a lesser number of unsaturated bonds

Dietary triacylglycerols are degraded and converted back to triacylglycerols during digestion.

• True

• False

What is the primary function of lipoproteins in the body?

• Transport of lipids

• Storage of carbohydrates

• Digestion of proteins

• Regulation of blood sugar

Which enzyme is primarily responsible for the hydrolysis of triglycerides in adipose tissue?

• Phospholipase

• Lipase

• Amylase

• Protease

What is the main byproduct of fatty acid oxidation in the mitochondria?

• Urea

• Glycerol

• Acetyl-CoA

• Glucose

What is the primary role of beta-oxidation in fatty acid metabolism?

• Storage of fatty acids

• Synthesis of fatty acids

• Production of ATP from fatty acids

• Conversion of fatty acids to glucose

What is the end product of fatty acid synthesis?

• Acetyl-CoA

• Glycerol

• Triglycerides

• Palmitate