مما تتركب المحفظة الفيروسية الحلزونية المتناظرةمن:

Choose the ONE correct answer
The capsid of a virus with helical symmetry is composed of:

A. multiple identical copies of a single polypeptide
molecule.

B. several polypeptides produced by sequential pro
cessing of a single large protein molecule.

C. several different polypeptides encoded by different
open reading frames in the viral genome.

D. several different polypeptides generated by differ-
ential splicing of the same RNA transcript.

E. each of the above occurs, and is a characteristic of
the specific virus family.