Which of these is NOT required for a good experimental design?
A. A control group
B. Results that confirm your hypothesis
C. Multiple replicates of the same experiment
D. A hypothesis that can be tested
E. All of the above are required for good experimental design
Ans: B. Results that confirm your hypothesis
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Angiomax® (bivalirudin) is an anticoagulant currently approved in the United States for use in patients undergoing coronary angioplasty procedures. This drug was developed using scientists' knowledge of animal feeding strategies. Which type of organism would most likely be the source of this drug?
A. baleen whales that filter large amounts of seawater B. scavengers that must eat rotten meat C. herbivores that must digest fibrous material D. fluid feeder that drinks blood E. sessile feeder that traps food on sticky surfaces
Coarse sediment bottoms primarily support
a. infauna. b. interstitial animals. c. epifauna. d. pelagic organisms. e. seaweeds.
The effect of resource availability on population size
determines a. the carrying capacity of the environment. b. exponential growth. c. the doubling time of a population. d. the population’s biotic potential. e. all of these.
Errors made during replication are primarily corrected by (base-excision/mismatch/nucleotide-excision) repair
What will be an ideal response?