Question
Biology Question on Microbes in human welfare
Identify the organism shown in the given diagram.
A
Bacteria
B
Bacteriophage
C
TMV
D
HIV
Answer
TMV
Explanation
Solution
Tobacco mosaic virus is a rod like virus with a length of 300 nm and diameter of 18 mm. TMV capsids are composed of 2130 identical protein subunits which assemble around the viral ssRNA to form helical structure with a hollow central cavity of 4 mm diameter.