If the percentage of thymine in DNA is 20%,wh | vedclass

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(C) According to Chargaff's rule,the amount of adenine $(A)$ is equal to the amount of thymine $(T)$,and the amount of guanine $(G)$ is equal to the a

Vedclass · Accepted Answer

$30$

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(C) According to Chargaff's rule,the amount of adenine $(A)$ is equal to the amount of thymine $(T)$,and the amount of guanine $(G)$ is equal to the amount of cytosine $(C)$.Given that the percentage of thymine $(T)$ is $20\%$,then the percentage of adenine $(A)$ is also $20\%$.The total percentage of $A + T$ is $20\% + 20\% = 40\%$.Since the total percentage of all four bases $(A + T + G + C)$ is $100\%$,the sum of $G + C$ is $100\% - 40\% = 60\%$.Since the amount of guanine $(G)$ is equal to the amount of cytosine $(C)$,the percentage of guanine is $60\% / 2 = 30\%$.

Column-$I$	Column-$II$
$P$. Bacteriophage $\phi \times 174$	$I$. $5386$ nucleotides
$Q$. Bacteriophage lambda	$II$. $48502 \, bp$
$R$. Escherichia coli	$III$. $3.3 \times 10^9 \, bp$
$S$. Human haploid $DNA$	$IV$. $4.6 \times 10^6 \, bp$

If the percentage of thymine in $DNA$ is $20\%$,what will be the percentage of guanine (in $\%$)?

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Match the following columns:

Column-$I$ Column-$II$

$P$. Bacteriophage $\phi \times 174$ $I$. $5386$ nucleotides

$Q$. Bacteriophage lambda $II$. $48502 \, bp$

$R$. Escherichia coli $III$. $3.3 \times 10^9 \, bp$

$S$. Human haploid $DNA$ $IV$. $4.6 \times 10^6 \, bp$

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