A person with type B blood can receive a transfusion of either type O blood or type AB blood.
a. True
b. False
False
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In this treatment of bacteria with cold transformation solution followed by heat-shock, the procedure
(a) transformed cells. (b) nontransformed cells. (c) cells that have the gene for resistance to the antibiotic. (d) both a and c.
Which of the following mechanisms uses high-velocity microprojectiles, coated with DNA, to produce a transgenic plant?
A. A. tumefaciens B. Electroporation C. Microinjection D. Biolistic gene transfer
Damage to the substantia nigra, a specific region of the basal ganglia, can produce the resting muscle tremors characteristic of what disease?
A. epilepsy B. Parkinson disease C. seizures D. Alzheimer disease E. insomnia
On a specific chromosome, an enhancer helps activate the expression of Gene A, but not Gene B, which is equally close to the enhancer. A mutant is identified where this enhancer is now activating the expression of both Gene A and Gene B. Explain what has
likely been mutated. What will be an ideal response?