AP BIOLOGY

THE MOLECULAR BASIS OF INHERITANCE

THE GENETICS OF VIRUSES AND BACTERIA

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What are the parts of a virus?
A
inner core and protein coat
B
left and right ventricles
C
inner and outer core
D
none of the above
Explanation: 

Detailed explanation-1: -A virion consists of a nucleic acid core, an outer protein coating called a capsid, and sometimes an outer envelope made of phospholipid membranes derived from the host cell and embedded with viral proteins. The capsid is made up of protein subunits called capsomeres.

Detailed explanation-2: -Viral Structure. 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. In some of the more complex viruses the capsid surrounds a protein core (Fig.

Detailed explanation-3: -A virus is made up of a core of genetic material, either DNA or RNA, surrounded by a protective coat called a capsid which is made up of protein.

Detailed explanation-4: -The viral genome, often with associated basic proteins, is packaged inside a symmetric protein capsid. The nucleic acid-associated protein, called nucleoprotein, together with the genome, forms the nucleocapsid.

There is 1 question to complete.