Which of the following is an example of a chromosomal structural abnormality?
a. inversion
b. trisomy
c. monosomy
d. aneuploidy
a. inversion
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Over time, cancerous cells typically lose the cell adhesion molecules embedded in their plasma membrane. Loss of
these molecules is best associated with which of the following traits of cancer cells?
a. increased rate of cell division b. production of new proteins c. angiogenesis d. migration to new locations in the body e. loss of chromosomes
The typical waking and sleeping cycles of most people can be described as:
a. crepuscular. b. nocturnal. c. diurnal. d. lunar. e. annual
An international business is defined as:
a) one that implements homogenous practice across countries b) the basis for a multinational enterprise c) a business that is restricted by U.N. regulations d) any firm that engages in international trade
Which one of the following examples describes a communication mode that would be best for signaling over the greatest distance in a dark, densely forested environment?
A. Flashing of a male firefly to attract conspecific females B. Pheromones released by a female moth C. Waggle dance of a honeybee in a colony within the forest D. Territorial song of a male bird to repel other males E. Display of plumage of a male bird to attract females