Lipid Metabolism

What enzyme is responsible for breaking down triglycerides into fatty acids and glycerol during lipid digestion?

• protease

• amylase

• lipase

• nuclease

Where does the majority of lipid absorption occur in the human body?

• Stomach

• Large intestine

• Small intestine

• Liver

Which lipoprotein is responsible for transporting dietary triglycerides from the intestine to the liver?

• LDL

• Chylomicrons

• VLDL

• HDL

What is the process by which fatty acids and glycerol are reassembled into triglycerides in the liver?

• Gluconeogenesis

• Lipogenesis

• Ketogenesis

• Beta-oxidation

Which organelle is primarily responsible for lipid storage in adipocytes?

• Fat vacuole

• Cholesterol bubble

• Lipid droplet

• Protein pouch

What is the term for the breakdown of triglycerides into fatty acids and glycerol for energy production?

• lipolysis

• glycogenolysis

• lipogenesis

• gluconeogenesis

Which hormone stimulates lipolysis, the breakdown of stored triglycerides into fatty acids and glycerol?

• Cortisol

• Insulin

• Adrenaline (Epinephrine)

• Thyroxine

What is the key enzyme involved in the synthesis of fatty acids from acetyl-CoA?

• Acetyl-CoA synthetase

• Acetyl-CoA carboxylase

• Acetyl-CoA dehydrogenase

• Fatty acid synthase

Which lipoprotein carries newly synthesized triglycerides from the liver to adipose tissue for storage?

• Chylomicrons

• VLDL

• HDL

• LDL

What is the process by which fatty acids are broken down into acetyl-CoA for energy production?

• Alpha-oxidation

• Beta-oxidation

• Gamma-oxidation

• Delta-oxidation