Question

how much atp can be made during fermentation?
2
4
32
36
what kinds of organisms most often carry out anaerobic cellular respiration (fermentation)?
animals and plants
yeast and plants
bacteria and yeast
beer, wine, and bread are produced using ______ fermentation.
lactic acid
alcoholic

Explanation:

• First question: Fermentation is an anaerobic process. It only includes glycolysis (the first stage of cellular respiration). Glycolysis produces a net of 2 ATP molecules.
• Second question: Bacteria (such as some anaerobic bacteria) and yeast (a fungus) commonly carry out anaerobic cellular respiration (fermentation). Animals and plants mainly rely on aerobic respiration, and when they do fermentation (e.g., lactic acid fermentation in animals, alcoholic fermentation in some plant tissues under certain conditions), it is not their most common mode of energy production compared to bacteria and yeast.
• Third question: Beer, wine, and bread production involve the conversion of sugars to ethanol (alcohol) and carbon dioxide. Lactic acid fermentation produces lactic acid, which is not involved in these products. Alcoholic fermentation by yeast is the key process here (e.g., yeast ferments sugars in grape juice to make wine, in malted barley for beer, and in dough for bread rising due to carbon - dioxide production).

Answer:

• First question: 2
• Second question: bacteria and yeast
• Third question: alcoholic