Plants like sugarcane show high productivity | vedclass

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Question

(A) Sugarcane is a $C_4$ plant. $C_4$ plants are highly efficient in $CO_2$ fixation because they lack photorespiration,a wasteful process that occurs

Vedclass · Accepted Answer

Absence of photorespiration

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(A) Sugarcane is a $C_4$ plant. $C_4$ plants are highly efficient in $CO_2$ fixation because they lack photorespiration,a wasteful process that occurs in $C_3$ plants. In $C_4$ plants,the enzyme $PEP$ carboxylase fixes $CO_2$ into a $4$-carbon compound,which prevents the oxygenation of $RuBP$ and thus avoids the loss of fixed carbon.

Plants like sugarcane show high productivity and high efficiency of $CO_2$ fixation,because of

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