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DNA Structure and Function Quiz
16 Questions
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DNA Structure and Function Quiz

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@PanoramicIndianapolis

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Questions and Answers

What are the nitrogenous bases found in DNA?

  • Adenine (A), Uracil (U), Cytosine, Guanine (G)
  • Adenine (A), Thymine (T), Cytosine, Guanine (G) (correct)
  • Adenine (A), Thymine (T), Cytosine, Cytidine (C)
  • Adenine (A), Thymine (T), Cytosine, Adenosine (A)

    • What is the structure of DNA?

  • Single-stranded structure with random coiling
  • Double helix made up of two biopolymer strands coiled around each other (correct)
  • Triple helix with three biopolymer strands
  • Linear structure with no coiling

    • What are the three main classes of RNA molecules found in prokaryotic and eukaryotic organisms?

  • Messenger RNA (mRNA), Ribosomal RNA (rRNA), Transfer RNA (tRNA) (correct)
  • Messenger RNA (mRNA), Ribosomal RNA (rRNA), Deoxyribonucleic Acid (DNA)
  • Transfer RNA (tRNA), Ribosomal RNA (rRNA), Deoxyribonucleic Acid (DNA)
  • Transfer RNA (tRNA), Messenger RNA (mRNA), Deoxyribonucleic Acid (DNA)

    • What type of bond is present between adenine and thymine in DNA?

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

    What are the components of a nucleotide in DNA?

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

    What type of molecule is DNA?

    <p>Nucleic acid</p> Signup and view all the answers

    What is the function of messenger RNA (mRNA) in protein synthesis?

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

    Which type of RNA is a single-stranded molecule with attachment site at one end for an amino acid?

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

    What are the nitrogen bases present in messenger RNA (mRNA)?

    <p>A, G, C, U</p> Signup and view all the answers

    Which RNA type is responsible for associating with proteins to form ribosomes, the site of protein synthesis?

    <p>Ribosomal RNA (rRNA)</p> Signup and view all the answers

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

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

    What does AUG signify in the context of messenger RNA (mRNA)?

    <p>Methionine or start codon</p> Signup and view all the answers

    Which process involves the copying of one DNA strand using the enzyme RNA Polymerase?

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

    What process involves building a protein molecule from amino acids?

    <p>'Translation'</p> Signup and view all the answers

    'Complementary Bases' in DNA are represented by which pairs?

    <p>(A-T), (C-G)</p> Signup and view all the answers

    'Anticodon UGA' on transfer RNA (tRNA) corresponds to which codon on messenger RNA?

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

    Study Notes

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    Description

    Test your knowledge about DNA structure, function, and its role in protein synthesis with this quiz. Explore the components of DNA, its double helix structure, and its significance in heredity and genetics.

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