A medical researcher is trying to develop a diagnostic technique for a disease which is characterized by replication of a particular chromosomal region. What would be the most appropriate technique?
A. Gene chip
B. FISH
C. Genome sequencing
D. White blood cell count
Answer: B
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A commercial fisherman is very concerned that overfishing will result in a decrease in tuna population size, thus affecting his catches in future years. What strategy can he employ to make sure that the tuna population can be sustained in the long term?
A. He can only catch young, non-reproducing fish. B. He can only catch old fish (past the reproductive age). C. He can only catch fish at the reproductive age.
Maintaining homeostasis of osmolality of the bodily fluids is important because:
What will be an ideal response?
The limnetic zone is indicated by
a. A. b. B. c. C. d. D. e. none of these.
If a relationship is harmful to both the animals in that relationship, the relationship is one of
A. competition. B. parasitism. C. symbiosis. D. mutualism.