DNA Replication

What is the structure of DNA?

• Double helix

• Single strand

• Triple helix

• Circular

Which of the following bases pair with each other in DNA?

• A: adenine and T: thymine

• G: guanine and C: cytosine

• A: adenine and G: guanine

• T: thymine and C: cytosine

How many bases make up our genetic material?

• 2 billion

• 4 billion

• 6 billion

• 8 billion

What do the DNA bases code for?

• Height and hair color

• Disease susceptibility

• Identity as humans

• All of the above

What is the basis of life?

• Gravity

• DNA replication

• Sun's energy emission

• All of the above

Which model of DNA replication was proven by Meselson and Stahl's experiment?

• Conservative replication

• Dispersive replication

• Semi-conservative replication

• None of the above

What did Meselson and Stahl use to separate DNA strands in their experiment?

• Centrifugation

• Heating

• Chemical reaction

• Electrophoresis

What is the basis for the polymerase chain reaction (PCR)?

• Separation of DNA strands

• DNA replication

• DNA repair mechanisms

• Centrifugation

What is the process by which DNA gets passed on from cell to cell called?

• Inheritance

• Development

• Replication

• Mutation

What controls the ability of DNA to make proteins?

• Cell division

• Proofreading

• Repair mechanisms

• Instructions encoded in DNA