The part of the brain that deals with the basic drives such as hunger and thirst is the

a. cerebrum.
b. pons.
c. cerebellum.
d. thalamus.
e. hypothalamus.


E

Biology & Microbiology

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The following amino acid would be characterized as ____ based on the chemical properties of its side chain


a. basic
b. acidic
c. nonpolar
d. hydrophilic
e. electrically charged

Biology & Microbiology

The California populations of the Northern elephant seal are descendants from a very small population of seals that was overhunted in the 1890s. Heterozygosity in this population would be expected to be ________ due to ________.

A. great; a bottleneck effect B. slight; a bottleneck effect C. great; assortive mating D. slight; the founder effect E. great; disruptive selection

Biology & Microbiology

The disease thrush is caused by

a) Epidermophyton. b) Candida albicans. c) Sporothrix schenckii. d) Microsporum.

Biology & Microbiology

Which of the following statements is true about the decolorizing step for the acid-fast stain?

A) Because acid-fast bacteria have a waxy cell wall that resists decolorization by the acetone-alcohol rinse, they appear a deep blue at the end of the procedure. B) Over-decolorizing can lead to false-positive results. C) Acetone-alcohol solution is the decolorizing agent. D) The decolorizing step is the differentiating step. E) Non-acid-fast bacteria appear bright pink-red at the end of the procedure.

Biology & Microbiology