Multiple Choice
There are two ways a virus can enter an animal cell. Which method is unique to enveloped viruses and why?
18. Viruses, Viroids, & Prions
Animal Viruses: 2. Entry & Uncoating in the Host Cell
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Once a virus has entered an animal cell, what step must occur before the viral DNA is replicated and new viruses are created within the host cell?
A
The virus must bind with the host cell's surface receptors to initiate endocytosis.
B
The viral envelope must fuse with the host cell's plasma membrane.
C
The capsid proteins around the viral DNA must be removed in a process called uncoating.
Verified step by step guidance1
Understand that viruses need to enter host cells to replicate. This process involves several steps, starting with the virus binding to the host cell's surface receptors.
Once the virus is inside the host cell, it must undergo a process called uncoating. This involves the removal of the capsid proteins that surround the viral DNA or RNA.
Uncoating is crucial because it exposes the viral genetic material, allowing it to be accessible for replication by the host cell's machinery.
After uncoating, the viral DNA or RNA can be replicated using the host cell's enzymes and resources, leading to the production of new viral particles.
Finally, these new viral particles are assembled and released from the host cell, ready to infect new cells and continue the cycle of infection.
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