The first step in testing an hypothesis is to
a. perform an experiment.
b. make a prediction.
c. test a prediction.
d. analyze data.
e. report results.
B
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Which enzyme(s) digest nucleic acids?
a. pepsins b. disaccharidases c. aminopeptidase d. pancreatic nucleases e. amylase
Which mode of inheritance produces heterozygotes with phenotypes that differ from either homozygote but typically more closely resembles one homozygous phenotype than the other?
A) complete dominance B) incomplete dominance C) codominance D) epistasis E) incomplete penetrance
Which of these is most closely associated with Darwin?
A) energy flow B) ecosystem structure C) the three domains of life D) natural selection
In lactation, the more a baby suckles his mother's breast to obtain milk, the more milk is produced. This is an example of a
A. neutral feedback loop. B. negative feedback loop. C. positive feedback loop. D. stimulating feedback loop. E. None of these answers is correct.