Which of the following is NOT an approach for verifying purity of an isolate?
a. activity assays to observe characteristics of the isolate
b. microscopy
c. serial dilution culturing
d. test for growth of contaminants in media that do not promote growth of the isolate of interest
Answer: C
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The function of carbonic anhydrase is to increase the rate ____
a. of conversion of CO2 and H2O into HCO3? and H+ b. of conversion of HCO3? and H+ into CO2 and H2O c. at which CO2 binds to hemoglobin d. at which O2 binds to hemoglobin e. of conversion of HCO3? and H+ into CO2 and H2O, and the rate at which CO2 binds to hemoglobin
A country's ecological footprint can be calculated by multiplying its population size by the footprint of each individual. Why are some ecologists concerned about the ecological footprint of a country like India
A. Its population is increasing. B. Its standard of living and land area are increasing. C. Its population and land area are increasing. D. Its standard of living is increasing. E. Both its population and standard of living are increasing.
Which is a monosaccharide?
a. glucose b. chitin c. amylose d. starch e. glycogen
The pituitary gland is controlled by the
a. pons. b. corpus callosum. c. medulla oblongata. d. thalamus. e. hypothalamus.