A powerful way to demonstrate that observed differences between a treatment group and a control group truly reflects the effect of the treatment is for researchers to:
A) get their study published in a scientific journal.
B) use a variety of statistical tests until they find one that shows statistical significance.
C) conduct the experiment over and over again.
D) make more observations.
E) formulate as many hypotheses as possible.
C) conduct the experiment over and over again.
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A. prevent HIV protease from degrading host cell proteins. B. block the translation of HIV proteases. C. bind to HIV proteases. D. prevent HIV proteases from breaking apart capsid proteins. E. bind to HIV proteases and prevent the proteases from breaking apart capsid proteins.
A couple with STR genotypes (50, 75 ) and (50, 100 ) (where the allele numbers denote repeat length) have several children. What are the possible genotypes of their children for this STR locus?
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Which one of the following is required in the diet in order for active thyroid hormones to be produced?
A) calcium B) phosphorus C) iodine D) zinc E) iron