YPG plates - 1 liter

1. 10g yeast extract
   20g peptone
   20g agar
   
2. bring volume to 600ml in H₂O
   
3. in separate flask mix
   
   1. 30ml glycerol
      
   2. 370ml H₂O
      
4. autoclave separately for 20 min
   
5. combine and pour plates