Genes and DNA: The Chemistry of Heredity
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Questions and Answers

What is the role of the 99 percent of the genome mentioned in the text?

  • It serves as the primary unit of heredity in organisms
  • It specifies the structure and function of living things
  • It regulates the production of proteins (correct)
  • It encodes the genetic instructions used in the development and functioning of organisms

    • What is DNA made of?

  • Nucleotides (correct)
  • Proteins
  • Carbohydrates
  • Lipids

    • Who were the scientists credited with first identifying and isolating DNA?

  • Charles Darwin
  • Friedrich Miescher (correct)
  • Gregor Mendel
  • James Watson and Francis Crick

    • Which phrase can be used to remember how nitrogen base pairs are bonded in DNA?

    <p>&quot;AT - GC&quot;</p> Signup and view all the answers

    What does DNA do besides specifying the structure and function of living things?

    <p>Contributes to the diversity of life through slight changes</p> Signup and view all the answers

    What did James Watson and Francis Crick propose in 1953 that shook the scientific world?

    <p>A model for the structure of DNA</p> Signup and view all the answers

    What is the function of genes as mentioned in the text?

    <p>Carrying information from one generation to the next</p> Signup and view all the answers

    What is the complete set of an individual's DNA called?

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

    What does DNA provide directions for?

    <p>Making proteins vital for growth and development</p> Signup and view all the answers

    Where are genes located in an organism?

    <p>On chromosomes</p> Signup and view all the answers

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