Question

How do fermentation and respiration differ?

1) Fermentation occurs in the absence of oxygen, while respiration requires oxygen.
2) Fermentation produces less ATP compared to respiration.
3) Fermentation produces lactic acid or ethanol as byproducts, while respiration produces carbon dioxide and water.
4) Fermentation is an anaerobic process, while respiration is an aerobic process.

Answer 1

Fermentation and respiration differ in terms of oxygen requirement, ATP production, byproducts, and process type.

Step-by-step explanation:

Fermentation and respiration differ in several ways:

1. Fermentation occurs in the absence of oxygen, while respiration requires oxygen.
2. Fermentation produces less ATP compared to respiration.
3. Fermentation produces lactic acid or ethanol as byproducts, while respiration produces carbon dioxide and water.
4. Fermentation is an anaerobic process, while respiration is an aerobic process.

For example, during anaerobic respiration, certain bacteria can use fermentation to produce ATP without oxygen. This is important in situations where oxygen is scarce, such as in some plants and fungi. Fermentation also produces byproducts like lactic acid or ethanol, which are not produced during respiration.