You leave two open Petri dishes out overnight in the lab: on…

You leave two open Petri dishes out overnight in the lab: one containing a complex medium like tryptic soy agar (TSA), and the other a chemically defined medium like glucose salts agar (GSA). On which do you expect more growth the next day, and why? Please briefly explain.

INSTRUCTIONS   1. Read these instructions carefully…

INSTRUCTIONS   1. Read these instructions carefully.   2. Answer all questions.   3.  You must not use a dictionary, your notes or a translation software     INFORMATION   4.  The total mark for this assessment is 20. There are  4 questions.   5. The marks for each question are shown in brackets. – use this as a guide as to how much time to spend on each question.   6. Once you press ‘play’ on the audio file, you will be given 5 minutes to read the paper and the questions. After the 5 minutes reading time, the test will start automatically.   7. You will hear each extract twice. You may write at any time during the examination   8. There will be a pause between each question unless told differently.   9.  IMPORTANT, once you press ‘play’ you will not be able to pause/stop/rewind. The pauses are included in the audio file and everything is recorded twice.   10. Once you have read all the instructions above, you can right-click on this button to access the audio-file.