Match the microscopy vocabulary word with it's definition.
Field of view
A) Focus is maintained when the magnification is changed
B) Ability to distinguish two objects as separate
C) Area observed through the ocular lens
D) Distance between the specimen and the objective lens
C) Area observed through the ocular lens
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Charles Darwin and his son experimented with which plant growth response?
A. Thermotropism B. Gravitropism C. Circadian rhythms D. Heat shock E. Phototropism
The noncoding regions of mammalian mitochondrial genomes have few to no repair mechanisms, but no real selective pressure. Which of the following are consequences of this condition?
A) a rate of mutation that is much higher than that of nuclear sequences B) a high rate of loss of mitochondrial genomes relative to nuclear sequences C) a high rate of natural selection for genomes identical to those of the mother D) a lower rate of mutations that remain in maternal lineages over evolutionary time E) a rate of mutation that can increase with successive generations in a maternal line
Cattle breeders have improved the quality of meat over the years by which process?
A) artificial selection B) directional selection C) stabilizing selection D) A and B E) A and C
Which of the following diseases is transmitted by the bite of human body lice?
A. bubonic plague B. tularemia C. Pontiac fever D. trench fever E. brucellosis