DNA and Genetics Quiz

What are the base pairing rules in DNA?

• A pairs with G, T pairs with C

• A pairs with T, C pairs with G

• A pairs with C, T pairs with G

• A pairs with T, G pairs with T

What makes up the DNA backbone?

• Sugars and phosphates

• Sugars and bases

• Bases and phosphates

• Bases and acids

Why is DNA replication considered "semi-conservative"?

• Each new DNA molecule has two new strands

• Each new DNA molecule has one old and one new strand

• Each new DNA molecule has two old strands

• Each new DNA molecule is completely new

What is a frameshift mutation?

• A mutation that adds or deletes a nucleotide

• A mutation that changes a single nucleotide

• A mutation that duplicates a gene

• A mutation that inverts a chromosome

What is a mutagen?

• A substance that causes mutations

• A substance that repairs DNA

• A substance that synthesizes proteins

• A substance that transcribes RNA

Who are Watson and Crick?

• Scientists who discovered RNA

• Scientists who discovered DNA structure

• Scientists who discovered protein synthesis

• Scientists who discovered cell division

What is the process of copying a segment of DNA into RNA?

• Translation

• Transcription

• Protein Synthesis

• Mutation

Which enzyme is responsible for unwinding the DNA double helix?

• Ligase

• Primase

• Helicase

• DNA Polymerase

What is the function of Ligase in DNA replication?

• Joining Okazaki fragments

• Unwinding DNA

• Synthesizing RNA primers

• Adding nucleotides

Which enzyme synthesizes RNA primers during DNA replication?

• Ligase

• Primase

• Helicase

• DNA Polymerase