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Human Biology, 7/e
Dr. Sylvia S. Mader

Chemistry of Life

True/False



1

Covalent bonds are formed by atoms sharing electrons.
A)True
B)False
2

Saturated fatty acids have double bonds between some of the carbon atoms.
A)True
B)False
3

Emulsifiers have both a polar end and a nonpolar end of the molecule.
A)True
B)False
4

Phospholipids are constructed similarly to fats.
A)True
B)False
5

Some proteins are enzymes, which allow reactions to occur in the cells.
A)True
B)False
6

Ions and molecules that interact with water are said to be hydrophobic.
A)True
B)False