If green plant cells are incubated with $O^{18_{-}}$ labelled $C O_{2},$ which of the following molecules will become radioactive when the cells are exposed to light?

ATP

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Water

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Sugar

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O_{2}

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Solution

The correct option is C Sugar
$6 C O_{2}^{18} + 12 H_{2} O L i g h t - ------ \to C h l o r o p h y l l C_{6} H_{12} O_{6}^{1} 8 + 6 H_{2} O + 6 O_{2}$ .
So the correct option is C.

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Similar questions

O^{18}

Assertion (A): Chloroplasts are present in all plant cells.

Reason (R): Chloroplasts are present in cells present in the parts that are exposed to sunlight.

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