A prokaryote that occupies a habitat that is characterized by extreme heat (above 50 degrees Celsius) is a(an):
a. Thermophile
b. Acidophile
c. Halophile
d. Basophile
e. Hydrophile
Answer: a. Thermophile
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Release of what protein is directly subject to negative feedback inhibition when blood volume rises?
A. angiotensinogen B. angiotensin II C. aldosterone D. atrial natriuretic hormone E. renin
Why do peanuts grow underground? Because they
a. are a product of the root. b. are a product of the stem, which bends to the soil surface. c. are a product of the flower, which bends to bury itself in the soil. d. bud off the tuber, like the eyes of a potato. e. are a part of the seed that never grows above the soil.
Which of the following statements is NOT
true?
a. In asexual reproduction, the parent passes a complete set of genes to its offspring. b. In sexual reproduction, both meiosis and fertilization are usual events in the life cycle. c. In sexual reproduction, a human offspring receives two genes for every trait. d. Sexual reproduction puts together new combinations of genes. e. Sexual reproduction results in less variation within a population
The parasympathetic and sympathetic nervous systems are divisions of the _____ nervous system
1.autonomic 2.peripheral 3.somatic 4.central