Homeostasis is the ability to maintain a constant internal environment in organisms.
a. true
b. false
Ans: a. true
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Enterococci can be described as:
a. able to hydrolyze bile esculin. b. usually hemolytic. c. a major cause of pharyngitis. d. often carrying an antiphagocytic capsule.
Four of the five answers listed below are the result of ADH (antidiuretic hormone) secretion. Select the
exception. a. water is reabsorbed in the distal tubule b. fluid volume of blood increases c. solute concentration in blood rises d. distal tubule and collecting duct become more permeable to water reabsorption e. solute concentrations decrease in blood
The branches of adaptive immunity are
A) the cellular response, the humoral response, and the memory response. B) the humoral response and the memory response. C) the cellular response and the humoral response. D) the antigen response and the memory response. E) the cellular response and the memory response.
All of the following are characteristics of viruses except
A) Define shape B) Ability to infect host cells C) Ultramicroscopic size D) Metabolism E) Genes