Which of the following is true regarding RFLPs?
A. A polymorphism results in one site being
recognized by a restriction enzyme, but not in
others.
B. They are the only way to distinguish
between identical twins.
C. They are only seen with chromosomal
mutations.
D. They are constructed as a way to insert
genes into plasmids.
E. None of the answer options is correct.
A
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Specific immune responses are also referred to as innate immunity. Indicate whether the statement is true or false
What name is given to a proposed explanation for a set of observations?
Biological magnification refers to __________ at the
higher trophic levels. a. the larger size of animals b. the greater number of organisms c. the greater number of species d. the accumulation of toxic pollutants in animals e. all of these
A drug called Coumadin interferes with the action of vitamin K in the liver. What effect will Coumadin have on blood-clotting mechanisms?
A) Coumadin will make it necessary for the patient to eat extra leafy green vegetables. B) Vitamin K will not be absorbed from the digestive tract. C) The liver will not be able to produce needed clotting factors. D) Nothing, because vitamin K is not necessary for blood clotting.