A difference between a grassland and a savanna is
A. the pattern of rainfall.
B. fire.
C. carnivores.
D. decomposers.
A. the pattern of rainfall.
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The most significant role played by pH buffers is to
A. prevent fluctuations in the acidity of solutions. B. increase the strength of acids and bases. C. prevent fluctuations in the salinity of solutions. D. limit major shifts in the amount of H+ and OH- in solution. E. keep pH low.
How are the gastric glands in the stomach protected from digestion by the enzyme they produce?
What will be an ideal response?
The first eukaryotic cells had
a. a nucleus. b. an endomembrane system. c. mitochondria. d. chloroplasts. e. all of these.
Bioinformatics is a relatively new field that combines elements of genomics with computer science and mathematics
Indicate whether the statement is true or false