Which gives fewest calories

[From: ] [author: ] [Date: 11-09-09] [Hit: ]

c.d.e.please help! I am studying for a test with practice questions........

If you had equal mass of each, which would contribute the fewest calories to diet?

a. cellulose
b. starch
c. triglycerides
d. fatty acids
e. protein

please help! I am studying for a test with practice questions...