An ELISA uses which of the following reagents?
A. A source of complement
B. A radioactive antibody
C. An enzyme-labeled anti-antibody
D. An enzyme-linked antibody
E. A fluorescent enzyme
Answer: D. An enzyme-linked antibody
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Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer?
What will be an ideal response?
The male gametophytes are
a. ovules. b. seeds. c. pollen grains. d. cones. e. sperm cells.
In science the word "theory"
a. signifies that a hypothesis has been tested and proven over a period of time. b. means that a scientist has a hunch something is true. c. has essentially the same meaning as "hypothesis." d. carries a considerable amount of doubt as to its validity. e. is an explanation that has been published.
If you teach your dog to sit by giving him a treat for every correct response, this is an example of
A) operant conditioning. B) social learning. C) habituation. D) innate behavior. E) insight learning.