Consider the biosynthetic pathways by which fatty acids, steroids, carbohydrates and amino acids are synthesized. Which class of compounds has the greatest diversity of pathways?
A) amino acids
B) fatty acids
C) steroids
D) carbohydrates
E) All exhibit about the same number of pathways.
A
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During the Southern Hemisphere summer, describe the pressure gradient over the Southern Ocean (South Pacific and South Atlantic Oceans). What kind of wind speeds do you think this gradient produces?
What will be an ideal response?
The ocean depth at which there is light, but it is not bright enough to allow much photosynthesis is called the aphotic zone
Indicate whether the statement is true or false
The polar front theory is remarkable because
A) it demonstrated the value of high-powered computers. B) it fully explained the formation, growth, and dissipation of tropical cyclones. C) the developers had to invent new mathematical methods in order to describe it. D) it was developed with far less observational data than we have today.
Which of the three isomeric alcohols, 2-butanol, 2-methyl-1-propanol, and 2-methyl-2-propanol, are chiral?
A) only 2-butanol B) only 2-methyl-1-propanol C) both 2-butanol and 2-methyl-1-propanol D) both 2-methyl-1-propanol and 2-methyl-2-propanol