During this stage of mitosis, the nuclear envelope begins to break down and the spindle begins to form.
A. Anaphase
B. Metaphase
C. Prophase
D. Telophase
E. Prometaphase
C. Prophase
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Nondisjunction of a single pair of autosomes can lead to all of the following except
A. aneuploidy. B. monosomy. C. trisomy. D. euploidy.
Which one of the following characteristics do animals, fungi, and protozoa have in common?
A) They obtain their carbon from carbon dioxide. B) They obtain their carbon from inorganic compounds. C) They obtain their energy and carbon atoms from chemicals. D) They obtain their energy from light.
The central nervous system or CNS of vertebrate animals consists of
A. the brain. B. the spinal cord. C. all nerves in the body. D. nerves originating at sensory receptors. E. the brain and spinal cord.
M. catarrhalis may be differentiated from gonococci and meningococci on the basis of its:
a. growth on blood agar at 35°C. b. growth on nutrient agar at 22°C. c. reduction of nitrite to nitrate. d. production of DNase.