Which one of the following pairs is not correctly matched?
- ARecombinant $DNA$ - $DNA$ formed by the joining of segments of $DNA$ from different sources
- BPurine Nitrogenous bases - Cytosine,thymine and uracil
- C$ATP$ - The principal energy carrying compound in the cell
- D$RNA$ - $RNA$ molecules found in ribosomes
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In Lederberg's replica plating experiment,what should be used to obtain streptomycin-resistant strains?
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View SolutionRead the following statements carefully and choose the correct statements.
$(A)$ In a transcription unit,the promoter is located at the $5'$ end of the coding strand.
$(B)$ The single strand $DNA$ having the polarity $5' \rightarrow 3'$ is the template strand.
$(C)$ $RNA$ polymerase binds to the operator during transcription.
$(D)$ Single base $DNA$ differences occurring in humans are called Single Nucleotide Polymorphisms $(SNPs)$.
$(A)$ In a transcription unit,the promoter is located at the $5'$ end of the coding strand.
$(B)$ The single strand $DNA$ having the polarity $5' \rightarrow 3'$ is the template strand.
$(C)$ $RNA$ polymerase binds to the operator during transcription.
$(D)$ Single base $DNA$ differences occurring in humans are called Single Nucleotide Polymorphisms $(SNPs)$.
In which of the following is the flow of genetic information in the reverse direction?
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View SolutionWhat does $Y$ represent in the given figure?
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View Solution$A$ genetic mutation that does not result in a phenotypic expression is called a .....
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