Question

which statement is true about viruses?
A. they contribute to all human cancers
B.they help cure many human diseases
C.they invade only diseased cells
D.they cause many human diseases

Answer 1

d.
their role in cancers is not as important as thought in the early days of molecular biology, the v-src, v-myc etc days of the eighties. their importance im the understanding of tumorigenesis cannot be under appreciated, but they dont contribute to all cancers.

Answer 2

thanks