DNA Replication Quiz

During which phase does DNA replication occur?

• Prophase

• Metaphase

• Telophase

• Interphase

Why is DNA replication crucial for organisms?

• To create different genetic codes

• To ensure genetic consistency and repair cells

• To produce energy

• To eliminate mutations

What is the primary purpose of interphase in the cell cycle?

• Protein synthesis

• Cell growth and preparation for division

• DNA synthesis

• Cell division

What is the shape of a DNA molecule?

• Quadruple helix

• Single helix

• Double helix

• Triple helix

Which enzyme is responsible for joining nucleotides during DNA replication?

• Ligase

• Helicase

• DNA polymerase

• Topoisomerase

What bonds are broken to separate the DNA strands during replication?

• Hydrogen bonds

• Covalent bonds

• Peptide bonds

• Ionic bonds

Which base pairs with adenine in DNA?

• Cytosine

• Uracil

• Guanine

• Thymine

What is the result of DNA replication?

• Two different DNA molecules

• Two identical DNA molecules

• One identical and one different DNA molecule

• No DNA molecules

What is the role of enzymes in DNA replication?

• To provide energy

• To catalyze the replication process

• To destroy old DNA

• To create mutations

Why is it important to rewind DNA into a double helix after replication?

• To make it easier to read

• To protect the genetic code

• To allow for protein synthesis

• To prevent mutations