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Question
Biology
Posted 9 months ago
Distinguish between enveloped viruses from nonenveloped viruses
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Answer from Sia
Posted 9 months ago
Answer
Enveloped viruses have a lipid bilayer surrounding their capsid, while nonenveloped viruses lack this feature.
Solution
a
Envelope Presence : Enveloped viruses possess an outer lipid membrane derived from the host cell, whereas nonenveloped viruses do not have this lipid envelope
b
Structural Proteins : Enveloped viruses typically have viral glycoproteins embedded in their envelope, which are essential for attachment and entry into host cells. Nonenveloped viruses rely on capsid proteins for attachment to host cells
c
Stability : Enveloped viruses are generally less stable outside a host environment, as their lipid envelope is sensitive to desiccation, detergents, and extreme pH. Nonenveloped viruses are more resilient in harsh conditions
Key Concept
The primary distinction between enveloped and nonenveloped viruses is the presence or absence of a lipid envelope surrounding the viral capsid.
Explanation
This difference affects the virus's stability, mode of transmission, and the mechanisms by which they enter host cells. Enveloped viruses are more sensitive to environmental factors, while nonenveloped viruses are hardier and can survive in a wider range of conditions.

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