The term 'Incidence' refers to the number of new cases of a disease within a specified period per unit of population.
a. true
b. false
Ans: a. true
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The interaction between two species in which
both species may be harmed is known as
a. parasitism. b. mutualism. c. competition. d. predation. e. commensalism
Random dispersion of individuals in a population
occurs when habitat conditions are __________, resource availability is __________, and individuals or pairs of individuals __________ one another. a. random; scarce; either attract or avoid b. clumped; fairly steady; neither attract nor avoid c. nearly uniform; random; neither attract nor avoid d. nearly uniform; fairly steady; neither attract nor avoid e. clumped; scarce; either attract or avoid
What would happen if snRNPs did not recognize the branch point within an intron?
A. snRNPs would not base-pair with the 5' end of the intron. B. A lariat would not form. C. A 3' poly A tail would not be added to the transcript. D. A 5' cap would not be added to the transcript.
A well-substantiated explanation of some aspect the natural world, based on a body of facts that have been repeatedly confirmed through observations and experiments, is referred to as a(n) ________.
A. hypothesis B. theory C. fact D. idea