Q808
What is the shape of alfa alfa virus?
A.
Spherical
B.
Icosahedral
AnswerC.
Filamentous
D.
Rod
Answer: Option B
Solution
Answer: Option B
Solution:
The shape of the alfa alfa virus is Icosahedral.Alfalfa mosaic virus (AMV), also known as Lucerne mosaic virus or Potato calico virus, is a worldwide distributed phytopathogen that can lead to necrosis and yellow mosaics on a large variety of plant species.
The icosahedral symmetry of the capsid is round to elongated. The range for the length of the virion particle is about 30 - 57 nm. AMV is a multipartite virus and is composed of four particles (three bacilliform and one spheroidal) with a diameter of 18 nm.