The common waste material in bacteria is____________?
Correct answer: B. Lactic acid
- A. Glycogen
- B. Lactic acid
- C. Ammonia
- D. Urea
Explanation
Many bacteria release organic acids such as lactic acid as metabolic waste products, particularly during fermentation when oxygen is unavailable or insufficient. Students may choose ammonia because it is a common nitrogenous waste, but in this basic bacterial-metabolism context lactic acid is the expected answer.
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About Prokaryotic and Eukaryotic Cells
Prokaryotic cells lack a membrane-bound nucleus and complex membrane-bound organelles, whereas eukaryotic cells contain a nucleus, specialized organelles and a cytoskeleton. Comparisons include DNA organization, ribosomes, cell walls, size, division and examples such as bacteria, archaea, protists, fungi, plants and animals.
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