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12th Tamil Nadu Board
IMPORTANT
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What do you mean by the molecular basis of inheritance?

Important Questions on Molecular Genetics

MEDIUM
12th Tamil Nadu Board
IMPORTANT
Zoology Crash Course (Based on Revised Syllabus-2023)>Chapter 5 - Molecular Genetics>Exercise>Q 9
Can you recall what centrifugal force is, and think why a molecule with higher mass/density would sediment faster?
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12th Tamil Nadu Board
IMPORTANT
Zoology Crash Course (Based on Revised Syllabus-2023)>Chapter 5 - Molecular Genetics>Exercise>Q 10
Do Retroviruses follow central Dogma? Give one example.
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12th Tamil Nadu Board
IMPORTANT
Zoology Crash Course (Based on Revised Syllabus-2023)>Chapter 5 - Molecular Genetics>Exercise>Q 11
Hershey and Chase carried out their experiment in three steps: (a) Infection, (b) Blending, and (c) Centrifugation. Explain each one of these steps that helped them to prove that DNA is the hereditary material.
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12th Tamil Nadu Board
IMPORTANT
Zoology Crash Course (Based on Revised Syllabus-2023)>Chapter 5 - Molecular Genetics>Exercise>Q 12
Explain the salient features of a DNA molecule given below:
Complementarity of the base pairs of its two chains.
 
HARD
12th Tamil Nadu Board
IMPORTANT
Zoology Crash Course (Based on Revised Syllabus-2023)>Chapter 5 - Molecular Genetics>Exercise>Q 14
In a series of experiments with Streptococcus and mice, F. Griffith concluded that R-strain bacteria had been transformed. Explain
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12th Tamil Nadu Board
IMPORTANT
Zoology Crash Course (Based on Revised Syllabus-2023)>Chapter 5 - Molecular Genetics>Exercise>Q 15

Name the components ‘a’ and ‘b’ in the nucleotide with a purine, given below.

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12th Tamil Nadu Board
IMPORTANT
Zoology Crash Course (Based on Revised Syllabus-2023)>Chapter 5 - Solved Zoology Paper-2>Exercise>Q 19
If a double-stranded DNA has 20 percent of cytosine, calculate the percentage of adenine in DNA.
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12th Tamil Nadu Board
IMPORTANT
Zoology Crash Course (Based on Revised Syllabus-2023)>Chapter 5 - Solved Zoology Paper-2>Exercise>Q 38
Describe the various steps of Griffith's experiment that led to the conclusion of the 'transforming principle'.