DNA Replication Quiz

What are the basic units that make up nucleic acids?

• Monosaccharides

• Amino acids

• Nucleotides

• Fatty acids

Which of the following is a component of a nucleotide?

• Phosphate group

• Amino group

• Hydroxyl group

• Carboxyl group

What type of bond links nucleotides together in a nucleic acid?

• Peptide bond

• Ionic bond

• Phosphodiester bond

• Hydrogen bond

Which sugar is found in RNA?

• Fructose

• Ribose

• Glucose

• Deoxyribose

What is the primary structure of DNA composed of?

• A double helix of proteins

• Two strands of nucleotides

• A single strand of nucleotides

• A triple helix of carbohydrates

Which nitrogenous base is found in DNA but not in RNA?

• Uracil

• Adenine

• Thymine

• Cytosine

What is the role of RNA primers in DNA replication?

• To remove nucleotides

• To stabilize the DNA

• To initiate synthesis

• To provide energy

What is the direction of DNA polymerization?

• 5' to 3'

• Left to right

• 3' to 5'

• Right to left

What is the function of DNA ligase?

• To unwind DNA

• To synthesize RNA

• To join Okazaki fragments

• To add nucleotides

What is the term for the ends of chromosomes?

• Histones

• Centromeres

• Telomeres

• Chromatids