See also. 1  Concept inventory. 2  Constructive alignment. 3  Educational assessment. 4  Ipsative assessment. 5  Norm-referenced assessment. 6  Psychometrics. 7  Standardized test.
Enveloped viruses have a lipid-based membrane surrounding the protein capsid. This envelope is partly composed of the cell membrane within which the virus replicated, and it contains proteins and carbohydrates. Some of the proteins are from the host cell and some are from the virus..
1 Capsid: a protective shell around the genome of a virus. 2  Cell membrane: the outside layer of a cell that separates it from its environment. 3  Envelope: part of a cell membrane that is stolen to become the outer layer of some viruses. 4  Genome: all of the genetic information of an organism (living thing)...