Biology, 30.11.2019 03:31 ashtonsilvers2003
All genes are not "on" all the time. using the metabolic needs of e. coli, explain why not. 2. what are the two main ways of controlling metabolism in bacterial cells? 3. feedback inhibition is a recurring mechanism throughout biological systems. in the case of e. coli regulating tryptophan synthesis, is it positive or negative inhibition? explain your choice. 4. what is a promoter? 5. what is the operator? what does it do? 6. what is an operon? ap biology reading guide chapter 18: regulation of gene expression fred and theresa holtzclaw copyright © 2010 pearson education, inc. - 2 - 7. list the three components of an operon, and explain the role of each one. 8. how does a repressor protein work? 9. what are regulatory genes? 10. distinguish between inducible and repressible operons, and describe one example of each type. 11. label this sketch of the lac operon with the terms at right. know the function of each structure.
Answers: 1
Biology, 22.06.2019 03:50
During the winter, this species of fox has white fur, but in the summer, it has brown fur. what environmental change may have lead to this fox's fur color? snow cover increase in sun's brightness volcanic eruption global warming
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Biology, 22.06.2019 06:00
Body temperature is tightly regulated in mammals for example when external temperatures drop too much the body of a mammal responds by in order to its core temperature?
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Biology, 22.06.2019 08:30
Which of the following is a true statement? a. individuals evolve to have adaptations. b. individuals have adaptations that can change over time. c. individuals have traits that may or may not make them successful at reproduction. d. populations cant evolve, only individual organisms.
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All genes are not "on" all the time. using the metabolic needs of e. coli, explain why not. 2. what...
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