IMMUNOLOGY

IMMUNE RESPONSE

CLASSICAL ALTERNATE AND LECTIN PATHWAYS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Viruses enter the cell by
A
faking the proteins on the outside of the cell membrane to enter the cell
B
faking the proteins on the inside of the cell membrane to enter the cell
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -Endocytosis: The host cell takes in the viral particle through the process of endocytosis, essentially engulfing the virus like it would a food particle. Viral penetration: The viral capsid or genome is injected into the host cell’s cytoplasm.

Detailed explanation-2: -Entry routes of viruses into host cells. Incoming viruses bind to attachment factors and entry receptors at the plasma membrane. Receptor binding may trigger endocytosis or direct entry at the plasma membrane.

Detailed explanation-3: -Without a host cell, viruses cannot carry out their life-sustaining functions or reproduce. They cannot synthesize proteins, because they lack ribosomes and must use the ribosomes of their host cells to translate viral messenger RNA into viral proteins.

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