Molecular Genetics Unit Test
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Questions and Answers

What are the rules of base pairing of DNA?

  • C matches with A and T with G
  • A matches with T and C with G (correct)
  • Random base combination T matches with C and A with G
  • T matches with A and G with C

The percentage composition of a nucleic acid molecule found in bacterial cells is 33.3% adenine, 29.7% thymine, 20.1% cytosine, and 16.9% guanine. The molecule is most likely:

  • Messenger RNA
  • Double-stranded DNA (correct)
  • Double-stranded RNA
  • Single-stranded DNA

Which of the following transfers the code to the ribosome?

  • tRNA
  • DNA
  • mRNA (correct)
  • rRNA

Which of the following is generated as a result of the replication process?

<p>DNA (D)</p> Signup and view all the answers

Which of the following is NOT found in DNA?

<p>Uracil (D)</p> Signup and view all the answers

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