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Sophie is looking at a small particle through a microscope. It has unique proteins in its cell wall, but no nucleus. It is shaped like a sphere. What is Sophie observing? A. a virus B. a bacterial cell C. an archaeal cell D. a host cell

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IthaloAbreu

Answer:

C. an archaea cell

Explanation:

Both bacteria and archaea have a cell wall, but the bacteria cell wall has peptidoglycan. The archaeal doesn't have peptidoglycan, but some unique proteins. They both also don't have nuclei. A virus doesn't have a cell wall, and a host cell, if eukaryote, would have a nucleus.

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