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Question

The human immuno deficiency virus (HIV) is a living entity because it can

A
Undergoes reproduction in the host cell
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B
Disturb host cell respiration
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C
Excrete in human serum
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D
Move from one cell to another
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Solution

The correct option is B Undergoes reproduction in the host cell
HIV infects a type of white blood cell in the body’s immune system called a T-helper cell (also called a CD4 cell). These vital cells keep us healthy by fighting off infections and diseases. HIV cannot grow or reproduce on its own. Instead, the virus attaches itself to a T-helper cell and fuses with it. It then takes control of the cell’s DNA, replicates itself inside the cell, and finally releases more HIV into the blood – continuing the multiplication process. This is the HIV life cycle.
So the correct option is 'Undergoes reproduction in the host cell'

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