James and Sally wanted to have a baby but were not having any luck, so they decided to try an artificial means of conception. They eventually were directed to a laboratory, where sperm and eggs were placed in a dish
This allows a sperm to merge with the egg as it would in the oviduct. This procedure is called ________. A) surrogate motherhood
B) gamete intrafallopian transfer
C) zygote intrafallopian transfer
D) in vitro fertilization
D
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Many restriction enzymes generate ____ on
DNA fragments after being cut.
a. frank ends b. blunt ends c. curved ends d. sticky ends e. oblique ends
Which of the following behaviors would be determined by genes?
A. Behavior changed as a result of habituation B. Behavior modified as a result of experience C. A conditioned response D. An instinctive behavior
In a person who is nearsighted, the
A) aqueous humor is cloudier than normal. B) lens is not functional at all. C) muscle that controls the thickness of the lens is weak. D) eyeball is too short from front to back. E) incoming light is focused in front of the retina.
Which of the following organisms is a prokaryote?
A) algae B) archaea C) fungus D) protozoa E) both archaea and protozoa