DNA, RNA and Protein Synthesis Basics Quiz
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Questions and Answers

Which type of RNA transfers amino acids to the ribosomes where proteins are synthesized?

  • DNA Polymerase
  • Transfer RNA (tRNA) (correct)
  • Ribosomal RNA (rRNA)
  • Messenger RNA (mRNA)

    • What is the function of ribosomal RNA (rRNA)?

  • Associates with proteins to form ribosomes and is the site of protein synthesis (correct)
  • Copies DNA's code and carries genetic information to the ribosomes
  • Makes up a long straight chain of nucleotides
  • Transfers amino acids to the ribosomes

    • Which part of a transfer RNA (tRNA) molecule has an attachment site for an amino acid?

  • Clover-leaf shape
  • Opposite end with an attachment site for an amino acid (correct)
  • The center region with a sequence of 3 bases called codon
  • Opposite end with three nucleotide bases called anticodon

    • What is the function of messenger RNA (mRNA)?

    <p>Copies DNA's code and carries genetic information to the ribosomes</p> Signup and view all the answers

    What happens during DNA replication?

    <p>Unwinding and separating of DNA strands followed by making new ones with appropriate nucleotides</p> Signup and view all the answers

    Which molecule is formed by millions of nucleotides joined together in a long chain?

    <p>DNA</p> Signup and view all the answers

    What is the correct order of the components of a nucleotide in DNA?

    <ol> <li>Phosphate group, 2) Nitrogenous base, 3) Pentose sugar</li> </ol> Signup and view all the answers

    What type of bond is present between guanine and cytosine in DNA?

    <p>Triple bond</p> Signup and view all the answers

    What is the function of Messenger RNA (mRNA)?

    <p>Directs protein synthesis</p> Signup and view all the answers

    What are the main classes of RNA molecule present in prokaryotic and eukaryotic organisms?

    <p>Ribosomal RNA (rRNA), Messenger RNA (mRNA), Transfer RNA (tRNA)</p> Signup and view all the answers

    What is the function of transfer RNA (tRNA) in protein synthesis?

    <p>Transfers amino acids to the ribosomes where proteins are synthesized</p> Signup and view all the answers

    What is the role of ribosomal RNA (rRNA) in protein synthesis?

    <p>Forms ribosomes along with protein and is the site of protein synthesis</p> Signup and view all the answers

    Which molecule carries the information for a specific protein?

    <p>Messenger RNA (mRNA)</p> Signup and view all the answers

    What is the sequence of 3 bases called in messenger RNA (mRNA)?

    <p>Codon</p> Signup and view all the answers

    What is the shape of transfer RNA (tRNA)?

    <p>Single strand with globular shape</p> Signup and view all the answers

    What is the correct order of the components of a nucleotide in DNA?

    <p>Nitrogenous base, Pentose sugar, Phosphate group</p> Signup and view all the answers

    What happens during DNA replication?

    <p>Duplication of DNA to produce two identical copies</p> Signup and view all the answers

    Which type of RNA transfers amino acids to the ribosomes where proteins are synthesized?

    <p>Transfer RNA (tRNA)</p> Signup and view all the answers

    What is the function of ribosomal RNA (rRNA)?

    <p>Catalyzing the formation of peptide bonds</p> Signup and view all the answers

    What type of bond is present between guanine and cytosine in DNA?

    <p>Triple bond</p> Signup and view all the answers

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