In the sexual reproduction of sac fungal yeasts, four haploid nuclei give rise to how many spores within the ascus?
A. Two
B. Four
C. Eight
D. Ten
E. Sixteen
Answer: B
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Phagocytosis leads to destruction of engulfed pathogens by which of the following mechanisms?
A. Complement fixation B. Lysosomal-mediated hydrolysis C. Production of bacteriocins D. All of the choices are correct.
The three domains of life are
a. eukaryotes, prokaryotes, and viruses. b. animals, plants, and microorganisms. c. Prokaryota, Eukaryota, and Protoctista. d. Archaebacteria, Eubacteria, and Eukaryota. e. Archaea, Bacteria, and Eukarya.
DNA polymerase is used in the polymerase chain reaction. Indicate whether the statement is true or false
A mating between a purebred purple-flowered pea plant and a purebred white-flowered pea plant would produce a(n) ________
A) purebred variety B) hybrid C) P generation D) F2 generation