The region of the brain with the highest concentration of neurons is the ____
a. hypothalamus
b. cerebrum
c. cerebellum
d. pons
e. medulla oblongata
ANSWER: c
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If a bacterial cell encounters unfavorable environmental conditions, then its metabolism will begin to slow until it eventually transforms into an inactive, dormant state. This survival me-chanism is known as:
a. polymerization. b. oxidation. c. respiration. d. sporulation.
Freshwater flatworms have this type of system for osmoregulation.
A. protonephridial B. metanephridial C. osmonephridial D. eunephridial E. isonephridial
Functional residual capacity is comprised of which of the following?
A) vital capacity and expiratory reserve volume only B) tidal volume, inspiratory reserve volume, and expiratory reserve volume C) tidal volume and expiratory reserve volume only D) tidal volume and inspiratory reserve volume only E) residual volume and expiratory reserve volume only
Which phrase describes the starting point for the ovarian cycle?
a. a secondary oocyte arrested in meiosis II b. a secondary oocyte arrested in meiosis I c. a primary oocyte arrested in meiosis I d. a primary oocyte arrested in meiosis II