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12th Andhra Pradesh Board
IMPORTANT
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Define transformation in Griffith's experiment. Discuss how it helps in the identification of DNA as genetic material. 

Important Questions on Molecular Basis of Inheritance

MEDIUM
12th Andhra Pradesh Board
IMPORTANT
Intermediate Second Year Botany>Chapter 10 - Molecular Basis of Inheritance>Questions>Q 2
Who revealed the biochemical nature of the transforming principle? How was it done?
MEDIUM
12th Andhra Pradesh Board
IMPORTANT
Intermediate Second Year Botany>Chapter 10 - Molecular Basis of Inheritance>Questions>Q 3
Discuss the significance of heavy isotope of nitrogen in Meselson and Stahl's experiment.
MEDIUM
12th Andhra Pradesh Board
IMPORTANT
Intermediate Second Year Botany>Chapter 10 - Molecular Basis of Inheritance>Questions>Q 4
Define a cistron. Differentiate between monocistronic and polycistronic transcription unit with suitable examples.
MEDIUM
12th Andhra Pradesh Board
IMPORTANT
Intermediate Second Year Botany>Chapter 10 - Molecular Basis of Inheritance>Questions>Q 5
Recall the experiments done by Frederick Griffith in which DNA was speculated to be the genetic material RNA. Instead of DNA was the genetic material, would the heat killed strain of Pneumococcus have transformed the R strain into virulent strain? Explain.
MEDIUM
12th Andhra Pradesh Board
IMPORTANT
Intermediate Second Year Botany>Chapter 10 - Molecular Basis of Inheritance>Questions>Q 6
There is only one possible sequence of amino acids when deduced from a given nucleotides. But a multiple nucleotide sequence can be deduced from a single amino acid sequence. Explain this phenomenon.
MEDIUM
12th Andhra Pradesh Board
IMPORTANT
Intermediate Second Year Botany>Chapter 10 - Molecular Basis of Inheritance>Questions>Q 7
A single base mutation in a gene may not always result in loss or gain of function. Do you think the statement is correct? Defend your answer.
MEDIUM
12th Andhra Pradesh Board
IMPORTANT
Intermediate Second Year Botany>Chapter 10 - Molecular Basis of Inheritance>Questions>Q 8
A low level of expression of lac operon occurs all the time. Can you explain the logic behind this phenomenon.
MEDIUM
12th Andhra Pradesh Board
IMPORTANT
Intermediate Second Year Botany>Chapter 10 - Molecular Basis of Inheritance>Questions>Q 9
What background information did Watson and Crick have for developing a model of DNA? What was their contribution?