All enzymes of $\mathrm{TCA}$ cycle are located in the mitochondrial matrix except one which is located in inner mitochondrial membrane in eukaryotes and in cytosol of prokaryotes. This enzyme is

$2\left({\mathrm{C}}_{51}{\mathrm{H}}_{98}{\mathrm{O}}_6\right)+145{\mathrm{O}}_2\to 102{\mathrm{CO}}_2+98{\mathrm{H}}_2\mathrm{O}+$ Energy

The RQ of above reaction is

Refer the figure and answer the question.

Which is required in glycolysis?

*Note: The question given in the book is incomplete and, it has been modified here.

Which of the following is required in glycolysis?