Those bacteria which are fully dependent upon their host for nutrition are called__________?
Correct answer: D. Parasitic bacteria
- A. Heterotrophic bacteria
- B. Chemosynthetic bacteria
- C. Saprophytic bacteria
- D. Parasitic bacteria
Explanation
Parasitic bacteria obtain nutrients from a living host and depend on that host for at least part of their nutrition. Students may choose heterotrophic bacteria because parasites are heterotrophs, but heterotrophy is a broad category that also includes saprophytic bacteria.
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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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