Which of the following is true of immunoglobulins?
A) Only the heavy chains have variable regions.
B) Only the light chains have variable regions.
C) Both the light and the heavy chains have variable regions.
D) Neither the light chains nor the heavy chains have variable regions.
C
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Christianity emerged as a separate faith from
A) Judaism. B) Islam. C) Buddhism. D) Hinduism.
The birth rates in most Central Asian states are in the 20s per 1,000 population
Indicate whether the statement is true or false
Composite cones:
a. are part tephra, part caldera. b. may erupt in a pyroclastic flow. c. are composed entirely of tephra. d. are composed entirely of basalt. e. are the largest type of volcano.
The glacial zone where accumulation balances ablation is known as the
A) cirque. B) crevasses. C) equilibrium line. D) terminal moraine. E) medial moraine.