In the DNA of E.coli, the mole ratio of adenine to cytosine is 0.7. If the number of moles of adenine in the DNA is 350000, the number of moles of guanine is equal to:

350000

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500000

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225000

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700000

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Solution

The correct option is B 500000
$\frac{m o l e s o f a d e n i n e}{m o l e s o f c y t o s i n e}$ =0.7

Therefore $\frac{350000}{M o l e s o f c y t o s i n e}$ =0.7
Moles of cytosine =500000

Cytosine = Guanine

Hence option B correct.

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In the DNA of E.coli, the mole ratio of adenine to cytosine is 0.7. If the number of moles of adenine in the DNA is 350000, the number of moles of guanine is equal to:

The correct option is B 500000moles of adeninemoles ofcytosine =0.7Therefore 350000Molesofcytosine=0.7Moles of cytosine =500000Cytosine = GuanineHence option B correct.

The correct option is B 500000
$\frac{m o l e s o f a d e n i n e}{m o l e s o f c y t o s i n e}$ =0.7

Therefore $\frac{350000}{M o l e s o f c y t o s i n e}$ =0.7
Moles of cytosine =500000

Cytosine = Guanine

Hence option B correct.