What is an example of a microorganism acting in a harmful way? a) bacteria spoiling food
b) bacteria aiding digestion
c) yeast used to make pizza crust
d) fungi decomposing waste in a septic tank

A

Explanation:

B, C, and D are benefits. Bacteria spoiling food is very harmful to the food and to whoever eats it.

d.

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lysosomes contain a variety of enzymes, enabling the cell to break down various biomolecules it engulfs, including peptides, nucleic acids, carbohydrates, and lipids (lysosomal lipase). the enzymes responsible for this hydrolysis require an acidic environment for optimal activity. hope i !