The sentence which is true or a fact about the virus is the sentence in letter B. Viruses can reproduce only within other cells. <span>Viruses are intracellular obligate parasites they can not replicate or express the genes with out living host. </span> <span>viruses are acellular so they have to rely on host cellular machinery for reproduction. </span> <span>viruses doesnot contain any enzymes for reproduction</span>
