What is true of saturated fatty acid chains?

a. they are more healthy that unsaturated fats.
b. they contain only single covalent bonds.
c. they are only made in leaf cells of green plants.
d. they contain at least one double or triple bond.

13. a covalent bond between two atoms is likely to be polar if: a. one of the atoms is much more electronegative than the other. b. the two atoms are equally electronegative. c. the two atoms are of the same element. d. the bond is part of a tetrahedrally shaped molecule. e. one atom is an anion.