Understanding Genes
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Questions and Answers

What is the term for the non-coding regions within a gene in eukaryotic cells?

  • Operons
  • Histones
  • Introns (correct)
  • Exons

    • Which element controls when and where a gene is expressed?

  • Operons
  • Enhancers
  • Promoter region (correct)
  • Histones

    • What are the building blocks of genes made of?

  • Purines, pyrimidines, nitrogenous bases
  • Nucleotides, sugar, phosphate group (correct)
  • Histones, introns, exons
  • ATCG sequence

    • Which nitrogenous bases are classified as pyrimidines in DNA?

    <p>Cytosine and thymine (C)</p> Signup and view all the answers

    Which project aimed to reveal the entire genetic sequence present in human cells and was completed in 2003?

    <p>The Human Genome Project (C)</p> Signup and view all the answers

    Where are genes present in prokaryotic cells?

    <p>Cytoplasm (C)</p> Signup and view all the answers

    What is the basic unit of inheritance?

    <p>Gene (B)</p> Signup and view all the answers

    Which nitrogenous base forms triple hydrogen bonds with guanine in DNA?

    <p>Cytosine (B)</p> Signup and view all the answers

    Where are genes present in eukaryotic cells other than the nucleus?

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

    What are nucleotide monomers comprised of in DNA?

    <p>Deoxyribose sugar, phosphate group, A, T, C, G (A)</p> Signup and view all the answers

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