When I was 15 years old I got my first job at Burger King. This was the summer between my Sophomore and Junior year of high school. Literally the second day on the job, a woman and her three kids pulled up in the drive through. Still being naive and thinking everyone was a good person, I happily greeted them.
2 years ago. The difference between positive and negative control over transcription is that positive control promotes transcription and increases the frequency of initiation of transcription while negative control of transcription prevents the initiation of transcription and acts a repressor when glucose is present.
â¢ Control (one) the ânormâ - A part of the experiment that does not have the variable being tested and is used for comparison. (Not all experiments have a control.) PRACTICE 1 - Identifying variables: List three variables that could affect the situation.