A common application of dry heat in the microbiology laboratory is to
A. prepare specimens for study.
B. sterilize media.
C. sterilize plastics.
D. sterilize the inoculating loop.
D
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Aerobic secondary treatment is usually best for ________ wastewater
A) industrial B) agricultural C) residential D) chemical
Due to character displacement, two closely related species may differ most morphologically when they
A. are allopatric. B. are sympatric. C. occupy the same niche. D. occupy different niches. E. share a common ancestor.
Osteoclasts function in bone remodeling to
a. free mineral ions. b. stimulate blood cell formation. c. accelerate bone repair. d. lay down a bony matrix. e. do all of these.
A very highly soluble nitrogenous waste, excreted into water by bony fishes, aquatic invertebrates, and aquatic amphibians is
A. uric acid. B. ammonia. C. uracil. D. amino acid. E. urea.