How do dormancy and hibernation differ?
a. Dormancy is a response to stressful environmental conditions, while hibernation can occur
at any time.
b. Hibernation is a seasonal strategy, while dormancy is a response to any stressful
environmental condition.
c. During dormancy, activity is greatly reduced, but the same is not true of hibernation.
d. Hibernation is a temporary condition, while dormancy usually lasts for longer periods.
B
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A convenient and reliable identification scheme for P. aeruginosa involves which of the following conventional tests?
a. Oxidase, triple sugar iron (TSI) slant, growth at 42°C on Mueller-Hinton agar or trypticase soy agar b. Catalase, lysine iron agar (LIA) slant, growth at 42°C on Mueller-Hinton agar or trypticase soy agar c. Oxidase, TSI slant, growth at 24°C on Mueller-Hinton agar or trypticase soy agar d. Catalase, TSI slant, growth at 42°C on sheep blood agar or blood trypticase soy agar
Alveoli are surrounded by pulmonary capillaries
Indicate whether the statement is true or false.
If you mate a donkey (2n = 62) with a horse (2n = 64) you get a mule. A mule is sterile and cannot produce gametes by meiosis because
A. they contain too few chromosomes. B. they have an odd number of chromosomes. C. they have an even number of chromosomes. D. they contain too many chromosomes. E. they lack genes that are essential for life.
A student is observing microorganisms in a sample of pond water. One organism of interest has an obvious nucleus, small oval structures containing a green pigment, and does not appear to be motile. In which of the following groups would this microbe most likely be classified?
A. Eukaryotes (Protozoa) B. Eukaryotes (Fungi) C. Archaea D. Eukaryotes (Algae) E. Bacteria