What is Viral envelope in Biology?

Learn Viral envelope definition in biology with explanation to study “What is Viral envelope”. Study viral envelope explanation with biology terms to review biology course for online degree programs.

Viral envelope Definition

  • Viral envelope are derived from the membranes of the host cell, contain host cell phospholipids and membrane proteins.

    Campbell Biology by J.B. Reece, L.A. Urry, M.L. Cain, S.A. Wasserman, P.V. Minorsky, R.B. Jackson



Viral envelope Explanation

Viral envelopes are not present on all viruses. Some viruses which include HIV and many other animal viruses, have viral envelopes covering their protective protein capsids. The envelopes are not naturally present on the virus particle but rather are typically derived from portions of the host cell membranes which are made of phospholipids and proteins. Some viral envelopes include viral glycoproteins. These envelopes may help viruses avoid the host immune system.

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