Nucleic Acid Structure and Replication Quiz

Test your knowledge with 13 questions on DNA structure, replication, and repair. Explore the intricacies of genetics in this challenging quiz!

Practice Learn Test

What is the basic building block of nucleic acids?

Amino acids

Nucleotides

Carbohydrates

Fatty acids

1 answered

Which of the following nitrogenous bases is not found in RNA?

Adenine

Cytosine

Thymine

Uracil

1 answered

Which of the following is NOT a component of a nucleotide?

Phosphate group

Nitrogenous base

Ribose sugar

Deoxyribose sugar

1 answered

What type of bond holds the two strands of DNA together?

Ionic bond

Covalent bond

Hydrogen bond

Peptide bond

1 answered

During DNA replication, what enzyme is responsible for unwinding the DNA double helix?

DNA polymerase

Helicase

Ligase

RNA polymerase

1 answered

Which enzyme is responsible for joining Okazaki fragments during DNA replication?

DNA polymerase I

DNA polymerase III

DNA ligase

RNA primase

1 answered

In DNA replication, which direction does DNA polymerase synthesize the new strand?

5' to 3'

3' to 5'

5' to 5'

3' to 3'

1 answered

What is the role of the origin of replication in DNA replication?

To mark the end of the replication process

To initiate the unwinding of DNA strands

To terminate replication

To proofread the newly synthesized DNA strand

1 answered

What is the function of primase in DNA replication?

To add nucleotides to the growing DNA strand

To proofread the newly synthesized DNA strand

To synthesize RNA primers

To connect Okazaki fragments

1 answered

#10

What is the function of topoisomerase during DNA replication?

To unwind the DNA double helix

To stabilize the unwound DNA strands

To join Okazaki fragments

To relieve supercoiling ahead of the replication fork

1 answered

#11

Which DNA repair mechanism corrects errors that occur during DNA replication?

Base excision repair

Nucleotide excision repair

Mismatch repair

Homologous recombination

1 answered

#12

What is the function of telomerase in DNA replication?

To unwind the DNA double helix

To proofread the newly synthesized DNA strand

To add telomeric DNA sequences to the ends of chromosomes

To repair DNA damage

1 answered

#13

In DNA replication, what is the purpose of the sliding clamp protein?

To unwind the DNA double helix

To stabilize the unwound DNA strands

To join Okazaki fragments

To hold DNA polymerase in place during synthesis

2 answered

Nucleic Acid Structure and Replication Quiz

What is the basic building block of nucleic acids?

Which of the following nitrogenous bases is not found in RNA?

Which of the following is NOT a component of a nucleotide?

What type of bond holds the two strands of DNA together?

During DNA replication, what enzyme is responsible for unwinding the DNA double helix?

Which enzyme is responsible for joining Okazaki fragments during DNA replication?

In DNA replication, which direction does DNA polymerase synthesize the new strand?

What is the role of the origin of replication in DNA replication?

What is the function of primase in DNA replication?

What is the function of topoisomerase during DNA replication?

Which DNA repair mechanism corrects errors that occur during DNA replication?

What is the function of telomerase in DNA replication?

In DNA replication, what is the purpose of the sliding clamp protein?

Quiz Questions with Answers

Test Your Knowledge

Popular Quizzes in Genetics

Popular Quizzes in Molecular Biology

Other Quizzes to Explore