The Vienna Convention for the Protection of the Ozone (1985) and the Montreal Protocol (1987) included agreements for the phasing out of:
A) nuclear weapons.
B) synthetic pesticides.
C) chlorofluorocarbons.
D) emissions of carbon dioxide.
E) smelting of heavy metals.
Ans: C) chlorofluorocarbons.
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As a result of the transition from daytime to nighttime, how will the relative concentrations of glyceraldehyde 3-phosphate (G3P) and ribulose 1,5-bisphosphate (RuBP) change in C3 plants?
A. The concentrations of G3P and RuBP would remain the same. B. The concentrations of G3P and RuBP would both decrease. C. G3P would increase and RuBP would decrease. D. G3P would decrease and RuBP would increase. Clarify Question What is the key concept addressed by the question? What type of thinking is required? Gather Content What do you already know about G3P and RuBP? How does C3 plant photosynthesis change from day to night? Choose Answer Do you have all the information needed to determine which molecule would be affected most? Reflect on Process Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
A chemical imbalance in the blood can cause the heart to stop pumping blood, which will have a detrimental effect on other organs. This observation can be attributed to:
A. Reductionism B. Equilibrium state C. Evolutionary conservation D. Emergent properties
Which of these events occurs normally in swallowing?
A) The larynx rises. B) The epiglottis rises. C) The esophagus closes. D) The bolus rises.
The sporophytes of mosses depend on the gametophytes for water and nutrition. In seed plants, the reverse is true. From which seed plant sporophyte structure(s) do the immature (unfertilized) gametophytes directly gain water and nutrition?
A) sporophylls B) embryos C) sporangia D) sporopollenin E) ovary