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Short essay – Pick one of the following three questions to answer, being sure to indicate which you are writing about. One page or less, written legibly in the space provided or typed and attached. A. Assume that life arose independently on some planet elsewhere in the uinverse. Write a […]

Problem – E. coli grows faster on the monosaccharide glucose than it does on the disaccharide lactose for two reasons: (1) lactose is taken up more slowly than glucose and (2) lactose must be hydrolyzed to glucose and galactose (by _-galactosidase) before it can be further metabolized. When E. coil […]

INSTRUCTIONS: Review pages GM34-GM36 (GM=Grammar Mechanics and they’re located at the back of your text). Correct the errors in the following sentences by either using “track changes,” retyping the sentence correctly, or printing, correcting, and then scanning your changes. Remember, these editing quizzes are cumulative, which means you might have […]

you decide that you want to figure out a situation where you see constant transcription of the lac genes but you want the amount of transcription to be low. which scenarios will give low transcription? 1. make a loss of function mutation in the operator of the lac operon and […]