The structure of water gives it several properties that make it a perfect solvent for life. The structure of water can be described as _____ and the most common type of bonds water forms are called _____.
A. polar, hydrogen bonds
B. polar, covalent bonds
C. nonpolar, ionic bonds
D. nonpolar, hydrogen bonds
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All living organisms have common organic compounds that perform many of life's functions. All organic compounds are made of atoms and elements. Select all of the elements that are common to all living organisms?
A. Helium
B. Calcium
C. Hydrogen
D. Carbon
E. Potassium
F. Oxygen
G. Phosphorus
H. Nitrogen
Organic chemistry is the study of carbon compounts and it encompasses all molecules that contain carbon. The nature of the carbon atom allows it to form a wide variety of molecules, from very simple ones like methanol that contains just a single carbon to incredibly complex molecules like phospholipids that form chains that can be over 20 carbons long. What type of bond does carbon most commonly form with other atoms?
A. ionic bonds
B. hydrogen bonds
C. carbon bonds
D. covalent bonds
Major components of organic compounds such as fats, phospholipids and fossil fuels consist of hydrocarbons. Hydrocarbons are molecules that are made of
A. hydrogen and carbon atoms.
B. hydrogen, oxygen and carbon atoms.
C. water molecules and carbon atoms.
D. hydrogen, carbon and nitrogen atoms.
Which of the following is the correct functional group for alcohols?
A. -COOH
B. -CH3
C. -OH
D. -SH