Answer: B. combined with another molecule
Explanation:
i just took the test
There are a variety of eubacteria living as decomposers, heterotrophs, pathogens, and autotrophs.
U·ni·cel·lu·laradjective
BIOLOGY(of protozoans, certain algae and spores, etc.) consisting of a single cell.(of an evolutionary or developmental stage) characterized by the formation or presence of a single cell or cells.
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