Viruses are considered nonliving because they…….
a) don’t mutate
b) don’t locomote
c) have nucleic acid
d) cannot reproduce independently
Which part of the animal virus is not reproduced in multiple copies?
a) ribosome
b) capsid
c) protein
d) envelope
Which of the following illness is caused by retrovirus?
a) sleeping sickness
b) AIDS
c) malaria
d) typhoid
The HIV primarily infects…….
a) RBCs
b) all WBCs
c) helper T-cells
d) plasma cells
Poliomyelitis affects…….
a) muscles
b) brain
c) sensory neuron
d) motor neuron
HIV attaches to…….
a) CD4 proteins
b) glycoproteins
c) nucleoproteins
d) lipoproteins
