Which nitrogenous base is not present in $RNA$?
- A$5-$methyl uracil
- BUracil
- CGuanine
- DAdenine
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$A$ $DNA$ fragment contains $12$ nucleotides. What is the ratio of purine and pyrimidine nitrogenous bases in it?
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View SolutionMatch List-$I$ with List-$II$:
List-$I$ List-$II$ $a$. Bacteriophage $\phi \times 174$ $i$. $48502$ base pairs $b$. Bacteriophage lambda $ii$. $5386$ nucleotides $c$. Escherichia coli $iii$. $3.3 \times 10^9$ base pairs $d$. Haploid content of human $DNA$ $iv$. $4.6 \times 10^6$ base pairs
Choose the correct answer from the options given below:
| List-$I$ | List-$II$ |
|---|---|
| $a$. Bacteriophage $\phi \times 174$ | $i$. $48502$ base pairs |
| $b$. Bacteriophage lambda | $ii$. $5386$ nucleotides |
| $c$. Escherichia coli | $iii$. $3.3 \times 10^9$ base pairs |
| $d$. Haploid content of human $DNA$ | $iv$. $4.6 \times 10^6$ base pairs |
Choose the correct answer from the options given below:
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