transcrption diffrs from prokaryoic transoription in that there are 꾜(4pts) The lac quoncotans tree genes reared tr e transport and metabolism of lactose in E colil and many other enteric bacteria Below is a diagram of the lac operon. aj What molecule must be present to ensure transcription of lacz acY and lacA? c) Where does this (from “a”)olecul bind? b) Where would the repressor bind to ensure does not ocour? must undergo several levels of protein 33 14p ructure formation, a) Which level of protein folding is stabilized by hydrogen bonds? b) What is the driving force behind tertiary structure formation?

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