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TiliK225 [7]
3 years ago
9

Why are viruses known as parasitic?

Biology
2 answers:
juin [17]3 years ago
5 0

Answer:

Explanation:

All viruses are obligate parasites; that is, they lack metabolic machinery of their own to generate energy or to synthesize proteins, so they depend on host cells to carry out these vital functions.

bulgar [2K]3 years ago
4 0

Answer:

All viruses are obligate parasites; that is, they lack metabolic machinery of their own to generate energy or to synthesize proteins, so they depend on host cells to carry out these vital functions. Once inside a cell, viruses have genes for usurping the cell's energy-generating and protein-synthesizing systems.…

Explanation:

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