Question

(a) What is dark reaction? Differentiate between C3 and C4 plants. bond​

Answer 1

The Calvin cycle is also called the dark reactions or light-independent reactions because it is the part that doesn't need energy from the sun to happen. The Calvin cycle takes place within the stroma of the chloroplast.

$\begin{array}{ | c | c | } \hline \\ \sf \: C_3 & \sf \: C_4 \\ \hline \\ \bull \: \sf \: The \: first \: stable \: intermediate \: product \: is \: 3- carbon \: acid:- \\ \sf \: phosphoglyceric \: acid.& \sf \: \bull \: The \: first \: stable \: intermediate \: product  \: is \: a \: \\ &\sf 4 \: carbon \: acid:- \: oxaloacetate \: (which \: is \: then \: reduced \: to \: malate) \\\hline\end{array}$