An interruption during which stage of mitosis could result in two daughter cells with an unequal number of chromosomes?
A. Metaphase
B. Prophase
C. Telophase
D. Anaphase
Answer: D
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The opposite of depression is ________.
A. inversion B. pronation C. flexion D. protraction E. elevation
A single layer of square-like cells describes which of the following tissues?
A. simple cuboidal epithelium B. simple squamous epithelium C. pseudostratified columnar epithelium D. simple columnar epithelium
Since many muscles are named for their location (origin and insertion), the zygomaticus muscles probably originate on the ________ bone of the skull.
Fill in the blank(s) with the appropriate word(s).
Target cells make more receptors for a particular hormone when the level of that hormone declines in the blood stream. This process is known as:
A) upregulation. B) the second-messenger system. C) synergism. D) downregulation.