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chapter 2
10問 • 4ヶ月前
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    問題一覧

  • 1

    What is the main difference between a polypeptide and a protein?

    A protein is a polypeptide that has folded into a functional three-dimensional shape

  • 2

    What are the individual portions of DNA that encode for a specific protein called?

    Genes

  • 3

    In order to form an enzyme–substrate complex, the active site of the enzyme must have what property relative to the substrate?

    A shape and chemical properties complementary to the substrate (lock-and-key)

  • 4

    What are the building units (monomers) of nucleic acids?

    Nucleotides

  • 5

    What is the main role of enzymes in biological systems?

    Increase the rate of chemical reactions (act as catalysts)

  • 6

    Select the factors that can cause a protein to become denatured.

    Changes in pH, Temperature change (heat/cold extremes), Radiation, Exposure to certain poisons or chemicals

  • 7

    Given the labels A, B, C, D in an enzyme reaction diagram, which mapping is correct? (A = ?, B = ?, C = ?, D = ?)

    A: active site, B: reactants/substrate, C: products, D: enzyme–substrate complex

  • 8

    Which nucleic acid is responsible for transporting hereditary instructions from the nucleus to the site of protein synthesis?

    mRNA (messenger RNA)

  • 9

    What is the main structural difference between DNA and RNA?

    DNA is typically double-stranded while RNA is typically single-stranded

  • 10

    Select the three principal parts of a nucleotide.

    A phosphate group, A five-carbon (pentose) sugar, A nitrogenous base

  • chapter 2

    chapter 2

    ユーザ名非公開 · 10問 · 4ヶ月前

    chapter 2

    chapter 2

    10問 • 4ヶ月前
    ユーザ名非公開

    chapter 2

    chapter 2

    ユーザ名非公開 · 10問 · 4ヶ月前

    chapter 2

    chapter 2

    10問 • 4ヶ月前
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    chapter 2

    chapter 2

    ユーザ名非公開 · 10問 · 4ヶ月前

    chapter 2

    chapter 2

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    chapter 2

    chapter 2

    ユーザ名非公開 · 10問 · 4ヶ月前

    chapter 2

    chapter 2

    10問 • 4ヶ月前
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    chapter 2

    chapter 2

    ユーザ名非公開 · 10問 · 4ヶ月前

    chapter 2

    chapter 2

    10問 • 4ヶ月前
    ユーザ名非公開

    chapter 2

    chapter 2

    ユーザ名非公開 · 10問 · 4ヶ月前

    chapter 2

    chapter 2

    10問 • 4ヶ月前
    ユーザ名非公開

    chapter 2

    chapter 2

    ユーザ名非公開 · 10問 · 4ヶ月前

    chapter 2

    chapter 2

    10問 • 4ヶ月前
    ユーザ名非公開

    chapter 2

    chapter 2

    ユーザ名非公開 · 10問 · 4ヶ月前

    chapter 2

    chapter 2

    10問 • 4ヶ月前
    ユーザ名非公開

    chapter 2

    chapter 2

    ユーザ名非公開 · 10問 · 4ヶ月前

    chapter 2

    chapter 2

    10問 • 4ヶ月前
    ユーザ名非公開

    問題一覧

  • 1

    What is the main difference between a polypeptide and a protein?

    A protein is a polypeptide that has folded into a functional three-dimensional shape

  • 2

    What are the individual portions of DNA that encode for a specific protein called?

    Genes

  • 3

    In order to form an enzyme–substrate complex, the active site of the enzyme must have what property relative to the substrate?

    A shape and chemical properties complementary to the substrate (lock-and-key)

  • 4

    What are the building units (monomers) of nucleic acids?

    Nucleotides

  • 5

    What is the main role of enzymes in biological systems?

    Increase the rate of chemical reactions (act as catalysts)

  • 6

    Select the factors that can cause a protein to become denatured.

    Changes in pH, Temperature change (heat/cold extremes), Radiation, Exposure to certain poisons or chemicals

  • 7

    Given the labels A, B, C, D in an enzyme reaction diagram, which mapping is correct? (A = ?, B = ?, C = ?, D = ?)

    A: active site, B: reactants/substrate, C: products, D: enzyme–substrate complex

  • 8

    Which nucleic acid is responsible for transporting hereditary instructions from the nucleus to the site of protein synthesis?

    mRNA (messenger RNA)

  • 9

    What is the main structural difference between DNA and RNA?

    DNA is typically double-stranded while RNA is typically single-stranded

  • 10

    Select the three principal parts of a nucleotide.

    A phosphate group, A five-carbon (pentose) sugar, A nitrogenous base