Yeast Will Normally Convert Pyruvate to Ethanol

question 47

Multiple Choice

Yeast will normally convert pyruvate to ethanol. Why is this better for the yeast than a conversion to lactate?

• A) Conversion to ethanol releases more NAD⁺ per mole than the conversion to lactate.
• B) The carbon atoms are more oxidized in ethanol than in lactate.
• C) Ethanol is neutral, but lactate production is accompanied by a sharp decrease in pH.
• D) Ethanol production is not better. Yeast normally produces ethanol and lactate in equilmolar amounts.

---

Definitions:

Deontology

An ethical theory that emphasizes duty, rules, and the inherent rightness of actions, irrespective of the consequences.

Virtue Ethics

A philosophical approach that emphasizes virtues, or moral character, in ethical decision-making rather than rules or consequences.

Ethics Of Care

A moral theory emphasizing the importance of interpersonal relationships and compassion as fundamental to ethical decision-making.

Code Of Ethics

A written set of guidelines issued by an organization to its workers and management to help them conduct their actions in accordance with its primary values and ethical standards.