Where are the enzymes which promote the reaction 4H+ + 4e- + O2 ? 2H2O located?
A) in the cytoplasm
B) embedded in the inner membrane of the mitochondria
C) embedded in the outer membrane of the mitochondria
D) embedded in the matrix
B
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The National Academy of Sciences has estimated that 98% of the potential risk of developing cancer from pesticide residue on food grown in the U.S. could be eliminated if
a. the entire industrialized agriculture business switched to integrated pest management b. genetically modified foods were grown exclusively c. pheromone traps were used more effectively to capture pests d. EPA standards for pre-1972 pesticides were as strict as standards for later pesticides e. the government banned just one of the worst pesticides from use
Mechanized agriculture has substituted the labor of humans with energy stored in petroleum products.
Answer the following statement true (T) or false (F)
In preparation for the construction of a new large subdivision, over 500 acres of hilly forest are cleared. In this cleared region, we will expect that
A) more species of birds and insects will inhabit the region. B) a drainage system and landscaping will need to be designed to limit erosion. C) the overall productivity of the region will increase. D) the levels of carbon dioxide in the air will sharply decline.
A(n) ____________________ ocean current advects warm water poleward
Fill in the blank(s) with correct word