The tertiary structure of a polypeptide is the

What causes an unsaturated fatty acid to have a different shape than a saturated fatty acid? o a. unsaturated fatty acids have more hydrogen atoms. o b. unsaturated fatty acids have double carbon bonds. o c. unsaturated fatty acids have more nitrogen atoms. o d. unsaturated fatty acids have single carbon bonds.

In this case, the statement that people who exercise for an hour may have lower cholesterol levels is .

Competition occurs between species when