Which of the following are properties of hydrocarbons?
A) Hydrophobic, polar, and charged
B) Hydrophilic, a good source of stored energy, and consisting primarily of carbon and hydrogen
C) Hydrophobic, nonpolar, and a good source of stored energy
D) Hydrophilic, containing numerous carboxyl groups, and nonpolar
E) Hydrophobic, containing numerous amine groups, and polar
What are the six most important chemical elements of life?
A) Carbon, nitrogen, calcium, oxygen, phosphate, and iron
B) Carbon, nitrogen, oxygen, calcium, phosphate, and hydrogen
C) Carbon, nitrogen, sulfur, hydrogen, iron, and magnesium
D) Carbon, nitrogen, calcium, zinc, iron, and hydrogen
E) Carbon, nitrogen, oxygen, hydrogen, phosphate, and sulfur
8th EditionPaula Yurkanis Bruice
3rd EditionDavid Klein
2nd EditionAndrei Straumanis
3rd EditionDonald L. Pavia, Gary M. Lampman, George S. Kriz, Randall Engel