Which archaeal genus is capable of growth in a pH of less than 0?

a. Halobacterium
b. Methanosarcina
c. Picrophilus
d. Thermoplasma


Answer: C

Biology & Microbiology

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Species richness refers specifically to the ____.

A. numbers of individuals of each species present. B. ability of larger animals to enrich themselves by successfully preying on smaller ones. C. number of different species in the habitat. D. feeding levels at which the animals are located. E. relative abundance of the species

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Which receptor transduces when it changes shape and its plasma membrane becomes more permeable to sodium or potassium ions?

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Biology & Microbiology