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What is Capsid in Biology? PDF | Download eBooks

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

Capsid Definition

  • Protein shell enclosing the viral genome is called a capsid.

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

Capsid Explanation

A capsid is the protein shell of a virus. It consists of several oligomeric structural subunits made of protein called protomers. Also present, are the 3-dimensional morphological subunits which are called capsomeres. The capsid encloses the genetic material of the virus. On the capsid several protein molecules are attached which bind to the receptor molecules on the host surface and mediate viral entry inside the cell.

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