DNA Structure and Function Quiz

Which of the following are the nitrogenous bases found in DNA?

• A) Adenine, Guanine, Cytosine, Uracil

• B) Thymine, Guanine, Cytosine, Uracil

• C) Adenine, Thymine, Guanine, Cytosine

• D) Adenine, Uracil, Guanine, Cytosine

Who were the scientists that confirmed DNA as the genetic material in cells?

• A) James Watson and Francis Crick

• B) Rosalind Franklin

• C) Alfred Hershey and Martha Chase

• D) Erwin Chargaff

What shape best describes the structure of DNA?

• A) Single helix

• B) Triple helix

• C) Double helix

• D) Spiral staircase

According to Chargaff’s Rule, which base pairs with cytosine in DNA?

• A) Guanine

• B) Thymine

• C) Adenine

• D) Uracil

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

• A) Ionic bond

• B) Covalent bond

• C) Hydrogen bond

• D) Metallic bond

What enzyme is responsible for "unzipping" the DNA during replication?

• A) RNA polymerase

• B) Helicase

• C) DNA polymerase

• D) Ligase

During DNA replication, what serves as the template for creating new strands?

• RNA strands

• The original DNA strands

• Amino acids

• mRNA strands

In which direction do the two strands of DNA run in relation to each other?

• Parallel

• Antiparallel

• Perpendicular

• Random

What process converts DNA into RNA?

• Transcription

• Translation

• Replication

• Mutation

Which of the following is NOT a type of RNA?

• mRNA

• tRNA

• rRNA

• zRNA