PATHOLOGY

PATHOLOGY MCQ

GENETICS AND DISEASE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Reasons that viruses are considered to be nonliving is because
A
They are not cellular
B
They cannot reproduce on their own
C
They cannot make proteins
D
all of the above
Explanation: 

Detailed explanation-1: -Viruses are not considered living as they do not resemble other living organisms. They did not find a place in the classification system as they aren’t truly living. They are not made up of cells like other living organisms.

Detailed explanation-2: -Viruses are considered as something between living and non-living because they do not grow or reproduce by themselves. This makes them non-living.

Detailed explanation-3: -This is due to the fact that viruses possess the characteristic of both the living and the non-living. For instance, viruses can reproduce inside a host just like any other living organism, but this ability to reproduce is lost when the virus is outside the host cell.

Detailed explanation-4: -Why are viruses considered to be on the borderline of the living and non-living? Viruses do not grow or reproduce by themselves, which makes them non-living. However, when a virus enters the living cell of an organism, it makes use of the resources in the host cell and starts reproducing.

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