A reaction between antibody and particulate antigen is called a(n)
A) agglutination reaction.
B) complement fixation.
C) immunofluorescence.
D) neutralization reaction.
E) precipitation reaction.
A
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The process of glucose synthesis is called
A) glycolysis. B) gluconeogenesis. C) aglycolysis. D) glucogenesis. E) both choices B and C
Stable isotope analysis to indicate whether or not certain elements have been processed by an organism is based on the observation that
A. microbes generally prefer using the lighter of two stable isotopes. B. microbes have no preference as regards heavy versus light isotopes. C. microbes generally prefer using the heavier of two stable isotopes. D. None of the choices are correct.
Amphibian and most reptiles have ____
a. a two-chambered heart with two blood flow circuits b. a three-chambered heart with two blood flow circuits c. a four-chambered heart with two blood flow circuits d. a three-chambered heart with one blood flow circuit e. a two-chambered heart with one blood flow circuit
Bacterial conjugation involves
A. new progeny cells with genes from two parent bacterial cells. B. the take-up of naked DNA fragments from a lysed donor cell by a recipient cell. C. a donor cell that transfers a copy of a plasmid to a recipient cell through a pilus. D. bacteriophage carrying donor DNA to the recipient cell.