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

Biology & Microbiology

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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

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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.

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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

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The parasympathetic and sympathetic nervous systems are divisions of the _____ nervous system

1.autonomic 2.peripheral 3.somatic 4.central

Biology & Microbiology