Viroids have |
|||
a) |
ssRNA not enclosed by protein coat |
b) |
ssDNA not enclosed by protein coat |
c) |
dsDNA enclosed by protein coat |
d) |
dsRNA enclosed by protein coat |
Viroids have |
|||
a) |
ssRNA not enclosed by protein coat |
b) |
ssDNA not enclosed by protein coat |
c) |
dsDNA enclosed by protein coat |
d) |
dsRNA enclosed by protein coat |
(a)
Viroids are small, single stranded, circular RNA molecules not enclosed by protein coat. They were discovered by T O Diener in 1971. Viroid replication requires host encoded RNA polymerase.