DNA Analysis and Cholesterol Quiz

What does PCR stand for?

• Polymerase Chain Reaction

• Protein Chain Reaction

• Polypeptide Chain Reaction

• Phosphorylation Chain Reaction

What is the purpose of staining the agarose gel?

• To amplify the DNA.

• To make the DNA appear.

• To cut the DNA.

• To load the DNA samples.

What is the phenotype of a person with Familial Hypercholesterolemia?

• Low LDL cholesterol.

• High LDL cholesterol.

• Normal cholesterol levels.

• Low HDL cholesterol.

How can lifestyle changes help in reducing heart disease risk?

• By increasing cholesterol levels

• By decreasing physical activity

• By improving diet and exercise

• By avoiding all medications

What is the main function of antibodies in the immune system?

• To attack red blood cells

• To bind antigens

• To produce hormones

• To digest proteins

What is the role of the immune system when an antigen enters the body?

• To ignore the antigen

• To produce antibodies

• To increase cholesterol

• To decrease metabolism

What is the role of the immune system in response to a simulated infectious agent?

• To ignore the agent

• To produce antibodies

• To increase cholesterol

• To decrease metabolism

What is a protozoan?

• A type of virus

• A protist of the phylum or subkingdom Protozoa

• A type of bacteria

• A type of white blood cell

What is the role of T lymphocytes?

• They are responsible for cell-mediated immunity

• They are a type of virus

• They are a type of bacteria

• They are a type of protein

How can bacteria be categorized?

• By their color only

• By their shape and gram staining results

• By their size only

• By their speed of movement