Biochemistry Quiz: Lipid Metabolism

What is the main function of lipids in the body?

• Provide energy

• Produce antibodies

• Regulate body temperature

• Store water

What is the main function of lipids in the body?

• Provide energy

• Produce antibodies

• Regulate body temperature

• Store water

Which enzyme initiates the hydrolysis of triglycerides in the mouth?

• Gastric lipase

• Salivary amylase

• Lingual lipase

• Pancreatic lipase

What is the primary site of fat digestion in the body?

• Small intestine

• Large intestine

• Stomach

• Mouth

Which type of body fat is never oxidized to provide energy?

• Body fat

• Adipose tissue fat

• Tissue fat

• Depot fat

What is the process of synthesizing fatty acids that are esterified with glycerol phosphate into storable triglycerides called?

• Lipolysis

• Gluconeogenesis

• Lipogenesis

• Beta-oxidation

Which enzyme is responsible for the oxidation of fatty acids in the mitochondria?

• Lipoprotein lipase

• Lecithin:cholesterol acyl transferase

• Fatty acyl CoA synthetase

• Beta-hydroxybutyrate dehydrogenase

What is the main function of HDL cholesterol in the body?

• Store cholesterol in adipose tissues

• Transport cholesterol from the peripheral tissues back to the liver

• Convert cholesterol into bile salts

• Transport cholesterol from the liver to the peripheral tissues

Which lipoprotein is responsible for transporting endogenous triglycerides from the liver to the peripheral tissues?

• VLDL

• HDL

• Chylomicron

• LDL

What is the final product of the oxidation of palmitic acid (C:16) in terms of ATP production?

• 50 ATP

• 96 ATP

• 129 ATP

• 35 ATP