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A student attempts to transform a population of E. coli with a pBluescript plasmid. How do you advise him to identify cells that have the plasmid? Answer Plate the cells on a medium containing X-gal. Cells with plasmids will turn blue. Plate the cells on a medium with ampicillin. Cells with plasmids will grow. Plate the cells on a medium with the restriction enzyme EcoRI. Cells with the plasmid will grow. Infect the cells with bacteriophage T3. Cells with the plasmid will transcribe the inserted gene and not be able to grow. Isolate individual colonies and prepare DNA from each. Size the DNA on an agarose gel to see if plasmids are present.
Carnivorous plants are phytosynthetic yet, unlike other plants capture insects. Why did they need to evolue this unusual ability? What is plant responses to the environmental stress of drought Flooding?
Hormone Z, responsible for maintaining normal blood levels of chemical A, binds to membrane-bound receptors on its target cells. These target cells use G-protein and cyclic AMP to carry out the response of hormone Z. compute the consequences if a dru..
Compare the sympathetic and parasympathetic systems in terms of the location of their ganglia, distribution of nerves, neurotransmitters, and receptors.
Determine what additional data do you think is necessary for healthcare professionals and students to know? Do some additional research on the subject of laboratory safety and share your findings with your classmates and determine universal precautio..
define the correct sequence of events in the synthesis.
What would be the most appropriate microscopy tool for visualizing the 3D surface of a damaged bone? For viewing a thin slice of tissue stained with hemotoxylin and eosin?
Viruses use the host cell machinery to replicate. However, some viruses replicate their genomes by a mechanism that host cell cannot support.
Provided the total population size of the population in Table 2 (in year 2012), using the per capita growth rate in question five, and assuming that this growth rate does not change,
You obtain the pigments called carotenoids in your diet when you eat carrots. Why do carotenoids appear yellow and orange?
What happens to colonies of bacteria that live in your body when they gain a mutation that helps them tolerate colder temperatures than 98.6? Antibiotic resistance in bacteria.
A 50-year-old man, a recent immigrant from Vietnam, is brought to the emergency room with a cough productive of bloody sputum. He first noticed a cough approximately 2 months ago.
Compare and contrast Continuous Variation & Discontinuous Variation. Define each concept and provide a specific example of each
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