MCQOPTIONS
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| 1. |
Vaccines are:- |
| A. | Treated bacteria or viruses or one of their proteins. |
| B. | MHC (major histocompatibility complex) proteins. |
| C. | Curative medicines. |
| D. | Monoclonal antibodies. |
| Answer» B. MHC (major histocompatibility complex) proteins. | |