What hormone is most involved in labor?
a. estrogen
b. prolactin
c. oxytocin
d. prostaglandin
e. progesterone
c
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What is an area of the Earth's surface currently undergoing primary succession?
A. Orange groves in Florida B. Redwood forests along the northwestern U.S. coast C. Volcanoes in Iceland. D. Shallow seas with low productivity
Carriers of Hepatitis B virus are not common.
Answer the following statement true (T) or false (F)
Which of the following phrases would most likely be
used in a discussion of homeostasis? a. respond to environmental stimuli b. limited range of variation c. rapid energy turnover d. cycle of elements e. structural and functional units of life
Which of the following types of light microscopy improves the resolution of thick specimens by illuminating one plane of the specimen at a time?
A) fluorescence microscopy B) phase-contrast microscopy C) confocal microscopy D) differential interference contrast microscopy E) brightfield microscopy