By the __________ theory, transpiration pulls water upward by creating a continuous negative pressure (or tension) inside xylem.
Fill in the blank(s) with the appropriate word(s).
cohesion-tension
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A major function of prokaryotic gas vesicles is to
A) confer buoyancy on cells by decreasing their density. B) serve as a reservoir for oxygen and carbon dioxide. C) keep the cell's organelles separated during flagellar motion. D) store oxygen for aerobic growth when oxygen becomes depleted in the environment.
Nucleic acid hybridization is the pairing
between a. cDNA and DNA. b. mRNA and cDNA. c. mRNA and DNA. d. mRNA and tRNA. e. DNA or RNA from more than one source
Triglycerides enter the blood circulation as
A. chylomicrons. B. globules. C. micelles. D. lipid rafts. E. lipoproteins.
Animals must continually acquire oxygen and release carbon dioxide because they do not have a storage area for gases.
Answer the following statement true (T) or false (F)