A) a cell wall
B) cytosol
C) DNA as genetic material
D) DNA or RNA as genetic material with no ribosomes
Correct Answer: D
Solution :
In addition to proteins, viruses also contain genetic material, that could be either RNA or DNA, not the both. They have no cell wall, cytosol, ribosomes, etc. Bacteria have cell wall, cytosol, ribrosomes and both DNA and RNA.
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