Lipid Metabolism Quiz

What is the function of lipoproteins in lipid transport?

• Transporting glucose to cells

• Transporting dietary triglycerides and cholesterol from the small intestine to various tissues and the liver

• Transporting water-soluble vitamins

• Transporting oxygen to tissues

Which of the following is a component of lipoprotein composition?

• Hemoglobin

• Insulin

• Apolipoproteins

• Glucagon

What is the primary lipid in the central core of lipoproteins?

• Phospholipids

• Free cholesterol

• Triglycerides

• Cholesterol esters

Which lipoprotein is often referred to as 'bad cholesterol'?

• Chylomicrons

• High-Density Lipoproteins (HDL)

• Very Low-Density Lipoproteins (VLDL)

• Low-Density Lipoproteins (LDL)

What is the metabolic pathway through which lipid triglycerides are hydrolyzed into glycerol and free fatty acids?

• Ketogenesis

• Gluconeogenesis

• Lipolysis

• Glycolysis

Which enzyme is a central player in fatty acid β-oxidation and fatty acid biosynthesis?

• Adenylate cyclase

• Catecholamines

• Acetyl-CoA carboxylase (ACC)

• Lipoprotein lipase

Where does the biosynthesis of fatty acids primarily occur?

• Pancreas

• Lungs

• Liver and adipose tissues

• Kidneys

What are triacylglycerols primarily used for in our bodies?

• Energy storage

• Antibody production

• Cell membrane construction

• Hormone synthesis

What is the primary function of phospholipids in our bodies?

• Antibody production

• Hormone synthesis

• Cell membrane construction

• Energy storage

Which lipid molecule is synthesized mainly in the liver and serves as a structural component of cell membranes?

• Prostaglandins

• Triglycerides

• Phospholipids

• Cholesterol