Molecular Biology Quiz

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Questions and Answers

Which molecule is responsible for temporarily storing energy in cells?

  • Catabolism
  • Deoxyribonucleic Acid (DNA)
  • Anabolism
  • Adenosine Triphosphate (ATP) (correct)

What is the main structural difference between DNA and RNA?

  • DNA contains uracil, while RNA contains thymine
  • DNA has a different sugar than RNA
  • DNA has introns, while RNA has exons
  • DNA is double-stranded, while RNA is single-stranded (correct)

What is the role of DNA polymerase in replication?

  • It transcribes DNA into RNA
  • It translates RNA into protein
  • It breaks the hydrogen bonds between DNA strands
  • It adds nucleotides to the growing DNA strand (correct)

Which molecule is responsible for carrying the genetic information from DNA to the ribosomes?

<p>Ribonucleic Acid (RNA) (D)</p> Signup and view all the answers

What holds the two sides of the DNA 'rungs' together?

<p>Hydrogen bonds (A)</p> Signup and view all the answers

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