NEET BIOLOGY

Detailed explanation-1: -Yes, even insect bites and that contact. Once the virus gains the entry into the body, it it fades into the host cell in order to do what the right answer of this question is option G. It access to the cellular processes.

Detailed explanation-2: -Viruses can be transmitted through air, water, food, insect bites, and direct skin contact. Once a virus gains entry to the body, it invades a host cell in order to-A deactivate the host cell’s defenses B synthesize antibodies for defense C metabolize host proteins and grow D access cellular processes for replication.

Detailed explanation-3: -Common sites of entry include the mucosal linings of the respiratory, alimentary, and urogenital tracts, the outer surface of the eye (conjunctival membranes or cornea), and the skin (Fig. 1). The most common route of viral entry is through the respiratory tract.

Detailed explanation-4: -Most viruses reproduce through a process called lytic infection. During lytic infection, a virus enters the host cell, makes a copy of itself, and causes the cell to burst, or lyse.

Detailed explanation-5: -The first stage, attachment, involves viral proteins binding to the host cell surface. There, they interact with receptors specific to them and their host cells. The specificity of viral attachment is a key decider of the range of hosts a virus can affect. This is also known as the tropism of a virus.