Prochlorophytes lack which of the following?
A. Phycobilins
B. Chlorophyll a
C. Chlorophyll b
D. None of the choices are correct.
Answer: A
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Most of the water taken up by a plant is _____
A) used as a solvent B) used as a hydrogen source in photosynthesis C) lost during transpiration D) converted to carbon dioxide E) used to keep cells turgid
Fatty acid analysis
A. can be used to identify Gram-negative bacteria. B. can be used to identify Gram-positive bacteria. C. uses gas chromatography to analyze fatty acid methyl esters. D. requires that cells be grown under standardized conditions. E. All of these choices are correct.
Animals such as rabbits eat their own feces
a. False, this behavior is only seen in ruminants. b. True, this behavior is seen in many ruminants such as rabbits. c. False, however, this behavior can be observed in any malnourished animal. d. True, they can recapture some essential nutrients from their feces.
The number of species inhabiting an ecosystem is referred to as ________.
Fill in the blank(s) with the appropriate word(s).