PBS 2.2.6 A Family Affair Background Info

What is the result of inefficient binding of LDL by the receptor?

• Decreased LDL in the bloodstream

• Elevated LDL in the bloodstream

• Increased HDL in the bloodstream

• Decreased HDL in the bloodstream

What technique is used to separate and analyze DNA fragments?

• PCR

• Gel electrophoresis

• DNA sequencing

• Cloning

What is the primary method used to visualize DNA fragments?

• PCR

• Gel electrophoresis

• DNA sequencing

• Cloning

What is the main cause of familial hypercholesterolemia?

• Diet and exercise

• Genetic mutation

• Environmental factors

• Viral infection

What is the primary function of cholesterol in animal cells?

• Energy production

• Stabilization of plasma and organellar membranes

• Oxygen transport

• Protein synthesis

What is the consequence of plaque formation in arteries?

• Improved blood flow

• Restricted blood flow

• Increased oxygen levels

• Enhanced nutrient absorption

What is the function of HDL in cholesterol metabolism?

• Transport cholesterol to arteries

• Remove cholesterol from circulation

• Store cholesterol in tissues

• Convert cholesterol to glucose

What is the role of the liver in cholesterol metabolism?

• To synthesize cholesterol

• To excrete cholesterol

• To oxidize cholesterol

• To store cholesterol

What is the term for the particles that transport cholesterol in the blood?

• Lipoproteins

• Hemoglobin

• Enzymes

• Hormones

What is the effect of statins on Alzheimer's disease according to the text?

• Increase risk

• No effect

• May lower risk

• Cure the disease