PATHOLOGY

PATHOLOGY MCQ

IMMUNE RESPONSE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which best describes the basic structure of a virus?
A
nucleic acid strand surrounded by a protein coat
B
a tail surrounded by a protein coat
C
a tail surrounded by a carbohydrate coat
D
nucleic acid strand surrounded by a carbohydrate coat
Explanation: 

Detailed explanation-1: -Helical Capsid Structure. Each virus possesses a protein capsid to protect its nucleic acid genome from the harsh environment.

Detailed explanation-2: -In the simpler viruses the virion consists of a single molecule of nucleic acid surrounded by a protein coat, the capsid; the capsid and its enclosed nucleic acid together constitute the nucleocapsid.

Detailed explanation-3: -Describe the general structure of a virus. Nucleic acid (DNA or RNA) surrounded by a protein coat called a capsid.

There is 1 question to complete.