1.

    Avery, MacLeod, and McCarty purified the 'transforming principle' identified by Griffith. Which treatment specifically abolished the transforming activity, proving its chemical nature?

    A

    Protease

    B

    Ribonuclease

    C

    Deoxyribonuclease

    D

    Lipase

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Molecular Basis of Inheritance
    🎯Topic:The Search Of Genetic Material
    🎓 Ncert Level:Application
    🎯Difficulty :Hard
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Avery-MacLeod-McCarty Experiment, DNA, Transforming Principle, Genetic Material

    Related Questions

    1.

    Which of the following radioisotope is not suitable for DNA labeling based studies?

    A

    H3{{\rm{H}}^3}

    B

    P32{{\rm{P}}^{32}}

    C

    N15{{\rm{N}}^{15}}

    D

    S35{{\rm{S}}^{35}}

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Molecular Basis of Inheritance
    🎯Topic:The Search Of Genetic Material
    🎓 Ncert Level:Analyzing
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :DNA structure, radioisotopes, biomolecule labeling

    2.

    If a segment of double-stranded DNA has 20% adenine, what percentage of guanine would it contain?

    A

    20%

    B

    30%

    C

    40%

    D

    50%

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Molecular Basis of Inheritance
    🎯Topic:The Search Of Genetic Material
    🎓 Ncert Level:Application
    🎯Difficulty :Hard
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Chargaff's Rule, DNA Base Composition, DNA Structure

    3.

    Which one of the following is correctly matched?

    A

    Frederick Griffith - Discovered the phenomenon of transformation

    B

    Linus Pauling - Isolated DNA for the first time

    C

    Francis Crick - Proposed one gene-one polypeptide hypothesis

    D

    George Beadle - Proposed the concept of inborn errors

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Molecular Basis of Inheritance
    🎯Topic:The Search Of Genetic Material
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :History of genetics, Transformation, DNA structure, One gene-one polypeptide hypothesis, Inborn errors of metabolism

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