Usually the only epidermal cells with chloroplasts are:
a. stomata.
b. stoma.
c. parenchyma.
d. guard cells.
e. all of these.
d
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Which Calvin Cycle products are used in the light reactions?
a. G3P, ATP, and NADPH. b. O2, water, and ATP. c. ADP, Pi, and NADP+. d. electrons from CO2. e. protons and Pi.
What results when nitrogen dioxide and
hydrocarbons react in the presence of sunlight? a. photochemical smog b. industrial smog c. a thermal inversion d. depletions of the ozone layer e. any of these
The combination of large numbers and small size collectively gives alveoli what characteristic that is essential to their function?
A) easy inflatability B) low surface area C) high surface area D) low air resistance
Which order below reflects the correct procedure for Gram staining?
A. alcohol/acetone-crystal violet-safranin-iodine B. crystal violet-alcohol/acetone-iodine-safranin C. crystal violet-iodine-alcohol/acetone-safranin D. iodine-safranin-crystal violet-alcohol/acetone E. alcohol/acetone-safranin-crystal violet-iodine