Lipid Metabolism Quiz

What is the function of lipoproteins in lipid transport?

• Transporting glucose to cells

• Transporting lipids to cells

• Transporting water to cells

• Transporting oxygen to cells

Which of the following is a component of lipoprotein composition?

• Hemoglobin

• Apolipoproteins

• Insulin

• Collagen

Which lipoprotein is responsible for transporting dietary triglycerides and cholesterol from the small intestine to various tissues and the liver?

• Chylomicrons

• Low-Density Lipoproteins (LDL)

• High-Density Lipoproteins (HDL)

• Very Low-Density Lipoproteins (VLDL)

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

• Free cholesterol

• Triglycerides

• Phospholipids

• Cholesterol esters

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

• High-Density Lipoproteins (HDL)

• Low-Density Lipoproteins (LDL)

• Very Low-Density Lipoproteins (VLDL)

• Chylomicrons

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

• Glycolysis

• Lipolysis

• Ketogenesis

• Gluconeogenesis

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

• Lipoprotein lipase

• Catechol-O-methyltransferase (COMT)

• Acetyl-CoA carboxylase (ACC)

• Monoamine oxidase (MAO)

Where does the biosynthesis of fatty acids primarily occur?

• Brain

• Heart

• Kidneys

• Liver and adipose tissues

What are triacylglycerols primarily used for in our bodies?

• Antibody production

• Cell membrane construction

• Energy storage

• Hormone synthesis

What is the primary function of phospholipids in our bodies?

• Antibody production

• Energy storage

• Cell membrane construction

• Hormone synthesis