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In one polynucleotide strand of a DNA molecule the ratio of A+T/G+C is 0.3. What is the A+G/T+C ratio of the entire DNA molecule?

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Important Questions on Molecular Basis of Inheritance

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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 29 - Molecular Basis of Inheritance>MCQS CORNER>Q 11
Refer to the given figure.
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Select the option which correctly identifies
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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 29 - Molecular Basis of Inheritance>MCQS CORNER>Q 14
Synthesis of DNA from RNA is explained by:
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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 29 - Molecular Basis of Inheritance>MCQS CORNER>Q 15
Histone proteins are
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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 29 - Molecular Basis of Inheritance>MCQS CORNER>Q 17
The structure in chromatin seen as 'beads-on string' when viewed under electron microscope are called
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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 29 - Molecular Basis of Inheritance>MCQS CORNER>Q 21
The year 2003 was celebrated as the 50th anniversary of the discovery of
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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 29 - Molecular Basis of Inheritance>MCQS CORNER>Q 22
The process of transformation is not affected by which of the following enzymes?
A. DNase
B. RNase
C. Peptidase
D. Lipase
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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 29 - Molecular Basis of Inheritance>MCQS CORNER>Q 23
To prove that DNA is the genetic material, which radioactive isotopes were used by Hershey and Chase 1952 in their experiments?
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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 29 - Molecular Basis of Inheritance>MCQS CORNER>Q 24
If the DNA of a virus is labelled with 32P and the protein of the virus is labelled with 35S , after transduction which molecule(s) would be present inside the bacterial cells?