Which food is made up of many branching chains of sugar monomers?
A) honey
B) milk
C) nuts
D) beans
D
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Which of these events happens first in nearly all seed germination?
A) The cotyledons appear above ground, turn green, and photosynthesize. B) The radicle emerges from the seed, which permits the uptake of water and nutrients from the soil. C) The hypocotyl elongates to lift cotyledons above ground. D) Lateral roots develop and expand into surrounding soil.
Three critical amino acids in the active site of an enzyme are arginine, lysine, and histidine. Which of the following characteristics would you predict the substrate to possess in order to bind the active site of this enzyme?
A. relatively hydrophobic B. hydrophilic, with a negative charge C. hydrophilic, with a positive charge D. hydrophilic, but without a charge
Cells actively secreting enzymes would likely carry out more ____ than other cells
a. exocytosis b. osmosis c. endocytosis d. conjugation e. fractionation
Application of synthetic gibberellins improves the
quality and marketability of a. oranges. b. grapes. c. celery. d. cabbage. e. all of these.