Xylem transports _______, whereas phloem transports __________
A. sugars; starch
B. water; sugars
C. water; minerals
D. sugars; water
E. sugars; minerals
B
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The xylem of angiosperms is composed of ____ , allowing these plants to thrive in tropical climates and have high rates of photosynthesis. Gymnosperms are successful in cold climates as their xylem is composed of ____, which reduce the risk of cavitation
Fill in the blank with the appropriate word.
Which of the following is NOT a function of cellular junctions?
A. Cellular junctions hold adjacent cells together. B. Cellular junctions prevent leakage of materials between cell layers. C. Cellular junctions permit the direct exchange of small molecules between cytosol of adjacent cells. D. Cellular junctions bond cells to their ECM. E. Cellular junctions promote the motility of adjacent cells.
The modern synthesis is based on all of the following EXCEPT
a. linking microevolution and macroevolution b. linking Darwinism with Mendelism c. a focus on population genetics d. linking population growth with variation to explain natural selection e. interpreting data from a wide variety of biological disciplines in an evolutionary framework
The product detected in a positive Voges-Proskauer test is:
A. Creatine B. 2,3-butanediol C. Indole D. Acetoin