Question

During oxidation in glycolysis, electrons are removed from

• A. $\text{ATP}$
• B. $\text{glyceraldehyde-3-phosphate}$
• C. ${\text{NAD}}^{+}$
• D. $\text{molecular oxygen}$

Answer 1

The correct option is B $\text{glyceraldehyde-3-phosphate}$

During glycolysis, $\text{ATP}$ acts as a source of energy and provides ${{\text{PO}}_4}^{3-}$ groups for phosphorylation reactions. It does not act as a source of electrons.

${\text{NAD}}^{+}$ acts as an acceptor of electrons as it gets reduced to $\text{NADH}$ during glycolysis.

No involvement of molecular ${\text{O}}_2$ is seen in any step of glycolysis.