Photosynthesis utilizes __________, and the burning of fossil fuels generates __________
a. carbon dioxide; carbon dioxide
b. carbon dioxide; oxygen
c. oxygen; carbon dioxide
d. oxygen; oxygen
A
You might also like to view...
What would be the outcome if the pump protein shown in Fig. 5.13a instead acted as a carrier that allowed protons to move from the extracellular fluid into the cytoplasm?
A. The proton electrochemical gradient would be reversed. B. ATP could be synthesized from ADP + Pi. C. The number of protons on either side of the membrane would equalize. D. Two answer options are true: ATP could be synthesized from ADP + Pi AND the number of protons on either side of the membrane would equalize.
Estuaries in which river flow is strong and prevents the flow of seawater upstream are called:
a. fjords. b. salt-wedge estuaries. c. well-mixed estuaries. d. tectonic estuaries. e. drowned river valleys.
____ are short sections of underground stem encased by overlapping layers of thickened, modified leaves called
scales. a. Stolons b. Rhizomes c. Bulbs d. Corms e. Tubers
Even though the autumn may be unusually warm, the leaves from deciduous trees begin to drop during September. Which of the following is the best explanation?
A. The trees are responding to shorter days. B. The autumn months are usually wetter because the summer rains were delayed. C. The effects of phototropism are operating “right on schedule.” D. There is not enough sunlight to carry on photosynthesis any longer. E. The trees are responding to consistent temperatures.