DNA and Replication Quiz

What does DNA stand for?

• Deoxyribose Acid

• Deoxyribonucleic Acid

• Deoxynucleotide Acid

• Double Helix Acid

What is the shape of DNA?

• Single helix

• Double helix

• Spiral staircase

• Triple helix

What are the building blocks of DNA called?

• Amino acids

• Lipids

• Nucleotides

• Proteins

Which of the following is NOT part of a nucleotide?

• Phosphate group

• Sugar molecule

• Nitrogen base

• Amino acid

Which nitrogen bases pair together in DNA?

• Adenine and guanine, cytosine and thymine

• Adenine and thymine, cytosine and guanine

• Cytosine and thymine, adenine and guanine

• Thymine and guanine, cytosine and adenine

What is the purpose of DNA replication?

• To make RNA

• To copy DNA for cell division

• To repair damaged cells

• To create proteins

When does DNA replication occur in the cell cycle?

• Prophase

• Interphase

• Anaphase

• Telophase

Which enzyme unzips the DNA strand during replication?

• Polymerase

• Ligase

• Helicase

• Transferase

What is the role of DNA polymerase in replication?

• It unzips the DNA strand.

• It adds complementary nucleotides to the template strand.

• It bonds fragments of DNA together.

• It repairs damaged DNA.

After replication, how do the two DNA molecules compare to the original molecule?

• They are identical to each other and the original.

• They are completely different from the original.

• They are partially identical to the original.

• They are identical to each other but not the original.