Inflammation, fever, phagocytosis, and antimicrobial molecules are considered innate because ________.
Answer: They are not antigen-specific; they contribute to host defenses regardless of the source of activation
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The conditions normally present in food such as moisture, acidity and nutrients are referred to as
A. extrinsic factors. B. intrinsic factors. C. endogenous factors. D. exogenous factors
Most peptic ulcers are caused by ____
a. antibiotics b. bacteria c. heartburn d. lactose intolerance e. malnutrition
If a new allele appears in a population, the Hardy–Weinberg formula
a. cannot be used because no equilibrium exists. b. can be used but only for two alleles at a time. c. can be used by lumping all but two phenotypes in one class. d. can be expanded by adding more terms.
In many freshwater systems, the limiting factor for
algal growth is a. oxygen. b. carbon dioxide. c. nitrogen. d. phosphorus. e. calcium.