McqMate
| Q. |
The chemical component that is invariably found in all viruses is |
| A. | proteins |
| B. | lipids |
| C. | DNA |
| D. | RNA |
| Answer» A. proteins | |
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Explanation: All viruses contain the following two components: a nucleic acid genome and a protein capsid that covers the genome. Together this is called the nucleocapsid. The proteinous coat surrounds and protects the genetic material. In addition, many animal viruses contain a lipid envelope. The entire intact virus is called the virion. |
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