Biology, 23.12.2019 19:31, erikacastro2421
E. coli can metabolize either glucose or lactose. however, when both are present, e. coli preferentially metabolize glucose. which of the following is not part of the biochemical mechanisms involved in that metabolic preference.
1. the presence of glucose reduces the level of camp.
2. catabolite activator protein (cap) is active only in the absence of camp.
3. cap binding assists in the formation of a transcription complex by rna polymerase at the lac promoter
4. cap is a positive control factor whose presence is necessary to initiate transcription at dependent promoters.
5. none of the above
Answers: 3
Biology, 22.06.2019 02:00, haleylecompte
Choose one animal (cheetas) and research on the internet what has contributed to this animal becoming "endangered" or "threatened." what animal you have chosen? how long has the animal been endangered or threatened? what has contributed to this animal’s endangered or threatened status? why is it important to save this animal from extinction? after researching and gathering facts, write a 350-word letter from the point of view of an animal rights' activist. be sure to include at least five facts that you learned from your research.
Answers: 3
Biology, 22.06.2019 07:00, thomasalmo2014
Which best describes the scientific method? a. a path of clearly defined steps that must be followed in a particular order b. a possible answer to a scientific question based on knowledge or research c. the recipe for how to conduct an experiment that must be followed precisely d. the process of hypothesis and testing through which scientific inquiry occurs
Answers: 1
Biology, 22.06.2019 11:00, sailormaries7101
This is the main structural axis of the plant that supports leaves, flowers and fruits; transports fluids; stores nutrients and produces new tissue.
Answers: 2
E. coli can metabolize either glucose or lactose. however, when both are present, e. coli preferenti...
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