DNA Structure and Function Quiz

What does DNA stand for?

• Deoxyribonucleic Acid

• Deoxyribose Nucleic Atom

• Dioxygen Nucleic Acid

• Deoxyribonucleic Atom

Where is DNA found in eukaryotic cells?

• Nucleus

• Cell membrane

• Cytoplasm

• Mitochondria

What is the shape of DNA?

• Double Helix

• Single Strand

• Triple Helix

• Square

Which of the following is NOT a part of a nucleotide in DNA?

• Chlorophyll

• Phosphate group

• Deoxyribose sugar

• Nitrogen base

Which base pairs with Adenine (A) in DNA?

• Thymine (T)

• Cytosine (C)

• Guanine (G)

• Uracil (U)

What is the base pairing rule in DNA?

• A–T and G–C

• A–G and T–C

• A–C and G–T

• A–U and G–C

During which phase of the cell cycle does DNA replication occur?

• Interphase (S-phase)

• Metaphase

• Anaphase

• Telophase

What is the main purpose of DNA replication?

• To make an exact copy of DNA for cell division.

• To create new proteins.

• To break down food.

• To produce energy.

Which enzyme is involved in DNA replication?

• DNA polymerase

• Amylase

• Lipase

• Helicase

What happens first during DNA replication?

• DNA unzips

• Proteins are built

• Chromosomes coil

• Mutation occurs