To analyse: The structural details of an enveloped virus and the origin of the envelop. The structure, formation and function of spikes. Introduction: Typically, viruses consist of a core of nucleic acid (DNA or RNA) and a protective coating of proteins, called capsid . Together, the nucleic acid and capsid form the nucleocapsid. Viruses that contain only nucleocapsid are called naked viruses. Some viruses contain an envelope in addition to the capsid.

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Chapter 6.3, Problem 9CYP

Summary Introduction

To analyse:

The structural details of an enveloped virus and the origin of the envelop.

The structure, formation and function of spikes.

Introduction:

Typically, viruses consist of a core of nucleic acid (DNA or RNA) and a protective coating of proteins, called capsid. Together, the nucleic acid and capsid form the nucleocapsid. Viruses that contain only nucleocapsid are called naked viruses. Some viruses contain an envelope in addition to the capsid.

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