Where are the receptors that respond to elevated blood osmolarity?
A. in the heart
B. in the hypothalamus
C. in the adrenal medulla
D. in the kidneys
E. in the adrenal cortex
Answer: B
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Which of the following statements is true regarding subduction?
A. It adds new crust to Earth's surface via volcanic activity. B. It is unrelated to Earth's plate tectonics. C. It permanently removes carbon from Earth's surface. D. It permanently adds carbon to Earth's atmosphere. E. The carbon it removes is eventually returned to the atmosphere by volcanism.
In alcoholic fermentation, the final product is ____
a. pyruvate b. ethanol c. acetaldehyde d. acetyl CoA e. lactate
Which genes guide the formation of specific body parts during embryonic development?
a. homeotic b. homologous c. recessive d. dominant e. homozygotic
Which ecological problem might result from fertilizing a golf course with phosphorus-rich fertilizer?
A) poisoning of the grass caused by excess phosphorus B) heavy growth of algae and cyanobacteria in lakes and rivers caused by phosphorus runoff C) accumulation of toxic levels of phosphorus in animals in the vicinity, especially those higher on the food chain D) a slowdown in the weathering of rock that releases phosphates into the soil under natural conditions