NURSING EXAM QUESTIONS
MICROBIOLOGY
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
Which of the following statements about viruses is true?
|
|
They’re living:they have DNA and RNA
|
|
|
They’re non-living:they can’t change/evolve over time
|
|
|
They’re non-living:they can only replicate with a host
|
|
|
They’re living:they grow and develop
|
Explanation:
Detailed explanation-1: -Viruses are generally not considered to be true living organisms since they can replicate only once they infect an animal, plant, or bacterial cell. They cannot replicate outside the host cells. Hence, they do not belong to any of the five kingdoms of living organisms.
Detailed explanation-2: -Viruses are not living things. Viruses are complicated assemblies of molecules, including proteins, nucleic acids, lipids, and carbohydrates, but on their own they can do nothing until they enter a living cell. Without cells, viruses would not be able to multiply.
Detailed explanation-3: -Viruses do not infect bacteria, fungi, and algae.
There is 1 question to complete.