Molecular Basis of Inheritance
- The transforming principle of Pneumococus as found out by Avery, MacLeod and McCarty was
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The transforming chemical discovered by Griffith in his experiments with Pneumococcus, was confirmed as DNA by Avery, McLeod and McCarty.
Correct Option: B
The transforming chemical discovered by Griffith in his experiments with Pneumococcus, was confirmed as DNA by Avery, McLeod and McCarty.
- A nucleotide is formed of
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Nucleotide is a unit of DNA, which is formed of nitrogenous bases (urines & Pyrimidines), sugar (Pentose) & phosphate.
Correct Option: C
Nucleotide is a unit of DNA, which is formed of nitrogenous bases (urines & Pyrimidines), sugar (Pentose) & phosphate.
- Nucleosome core is made of
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The four histone proteins constituting the core of nucleosome are H2A, H2B, H3, H4.
Correct Option: D
The four histone proteins constituting the core of nucleosome are H2A, H2B, H3, H4.
- If there are 999 bases in an RNA that codes for a protein with 333 amino acids, and the base at position 901 is deleted such that the length of the RNA becomes 998 bases, how many codons will be altered?
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If deletion happen at 901st position than the remaining 98 bases specifying for 33 codons of amino acids will be altered.
Correct Option: B
If deletion happen at 901st position than the remaining 98 bases specifying for 33 codons of amino acids will be altered.
- Who proved that DNA is basic genetic material?
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Hershey and Chase (1952) worked on Escherichia coli and conclusively proved that DNA is the genetic material.
Correct Option: D
Hershey and Chase (1952) worked on Escherichia coli and conclusively proved that DNA is the genetic material.
