Which of the following is true of viruses in the extracellular phase?

A. They possess many different enzymes and they can reproduce independently of living cells but only at a slow rate.
B. They can reproduce independently of living cells but only at a slow rate.
C. They possess many different enzymes.
D. They behave as a macromolecular complex and are no more alive than are ribosomes.


Answer: D

Biology & Microbiology

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