In the Absence of Oxygen, Yeast Cells Can Obtain Energy

question 26

Multiple Choice

In the absence of oxygen, yeast cells can obtain energy by fermentation, which results in the production of which of the following sets of molecules?

• A) ATP, CO₂, and ethanol (ethyl alcohol)
• B) ATP, CO₂, and lactate
• C) ATP, NADH, and ethanol
• D) ATP, CO₂, and acetyl CoA

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Definitions:

Break-even Point

The production level or sales volume at which total costs equal total revenue, resulting in no profit or loss.

Sales Mix

The combination of different products or services that a company sells, significantly influencing overall profitability.

Fixed Costs

Overheads such as rent, salaries, and insurance that do not fluctuate with changes in the volume of production or sales.

Break-even Point

The level of sales at which total revenues equal total costs, resulting in no profit or loss and marking the threshold for profitability.