This is USMLE Step 1 Experience shared BY Amjad Elmashala Dear Step 1 takers, Step 1 score – 269 So...
![Parkinson's disease summary,Notes and [mnemonics]](https://usmlematerials.b-cdn.net/wp-content/uploads/2017/02/PARKTRAP.png)
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Virus classification A. DNA viruses. 1. Contain double-stranded DNA (except for parvoviruses). 2. Are naked viruses (except for herpesviruses, poxviruses,...
A. Virus particles are called virions. 1. Virions are composed of either RNA or DNA that is encased in a...