Q. Choose the correct combination of labeling the molecules involved in the pathway of anaerobic respiration in yeast.
A) A – Ethanol, B – C$O_{2}$ , C – Acetaldehyde
B) A - C$O_{2}$ , B – Ethanol, C- Acetaldehyde
C) A - C$O_{2}$_(,) B - Acetaldehyde, C- Ethanol
D) A – Ethanol, B - Acetaldehyde, C - C$O_{2}$
Explanation
Alcoholic fermentation by yeast causes decorboxylation of pyruvate to acetaldehyde producing C$O_{2}$ as byproduct. Acetalatehyde accepts 2H atoms from NAD$H_{2}$ to produce ethanol.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.