Molecular Basis of Inheritance
- The unequivocal proof of DNA as the genetic material came from the studies on a
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Bacteriophage was used by Hershey and Chase to prove DNA as genetic material.
Correct Option: D
Bacteriophage was used by Hershey and Chase to prove DNA as genetic material.
- If one strand of DNA has the nitrogenous base sequence at ATCTG, what would be the complementary RNA strand sequence
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Sequence of DNA is ATCTG then sequence of m-RNA will UAGAC. As adenine base pairs with uracil and guanine with cytosine.
Correct Option: B
Sequence of DNA is ATCTG then sequence of m-RNA will UAGAC. As adenine base pairs with uracil and guanine with cytosine.
- Uridine, present only in RNA is a
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The combination of pentose sugar with nitrogenous bases (purines or pyrimidines) is called nucleoside. Examples are adenosine, guanosine, cytidine, thymidine and uridine.
Correct Option: B
The combination of pentose sugar with nitrogenous bases (purines or pyrimidines) is called nucleoside. Examples are adenosine, guanosine, cytidine, thymidine and uridine.
- Transformation was discovered by:
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Frederick Griffith (in 1928), a British Medical officer described the phenomenon of bacterial transformation. He carried out experiment with Streptococcus pneumoniae (bacterium causing pneumonia) which is used to infect mice. By using S Strain (heat killed) and R strain (live) it was concluded that R strain has been transformed by some material of S strain which makes R strain virulent and enable to synthesize smooth polysachharide.
Correct Option: C
Frederick Griffith (in 1928), a British Medical officer described the phenomenon of bacterial transformation. He carried out experiment with Streptococcus pneumoniae (bacterium causing pneumonia) which is used to infect mice. By using S Strain (heat killed) and R strain (live) it was concluded that R strain has been transformed by some material of S strain which makes R strain virulent and enable to synthesize smooth polysachharide.
- Which one of the following is not applicable to RNA?
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Chargaff’s rule is not applicable to RNA
Correct Option: C
Chargaff’s rule is not applicable to RNA