If yeasts are grown under anaerobic conditions, pyruvate is converted first to ____ and then to ____.

A) citrate; oxaloacetate
B) acetaldehyde; lactate
C) lactate; carbon dioxide
D) acetaldehyde; ethyl alcohol
E) acetyl coenzyme A; citrate

Anaerobic Conditions

Environments that lack oxygen, allowing for the survival and growth of organisms that can function without oxygen.

Pyruvate

A key intermediate in several metabolic pathways throughout the cell, crucial in the process of energy production.

Acetaldehyde

A colorless, volatile compound with a pungent smell, used in the manufacture of acetic acid, perfumes, and flavors, and as a solvent.