What hypothetical hormone promotes flowering but has never been successfully isolated?
a. florigen
b. ubiquitin
c. jasmonic acid
d. brassinosteroids
e. methyl salicylate
a
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The major problem associated with Luft's Syndrome is
a. insufficient ATP production. b. slow metabolism. c. too few mitochondria. d. excessive ATP production. e. low cellular oxygen consumption
You must decide how to classify a newly discovered organism, but you have only limited test materials to help you make your decision. Chemical A glows if a nuclear envelope is present. Chemical B turns blue in the presence of chloroplasts
Chemical C fizzes when mixed with chitin. After testing the organism, you find out that it glows, doesn't turn blue, and fizzes. You classify this organism as a A) diatom. B) bacterium. C) slime mold. D) fungus. E) zooflagellate.
Which of the following is a trait unique to photosynthetic eukaryotes?
a. The presence of chlorophyll a b. The presence of chloroplasts c. The presence of thylakoid membranes d. Using water for reducing power e. Living in aerobic environments
Which of the following microorganisms associated with food poisoning thrives in cold storage?
A) Salmonella spp. B) Shigella spp. C) Clostridium botulinum D) Escherichia coli E) Listeria monocytogenes