Can someone help me, please?
Organic, Biological, and Nuclear Chemistry.
17. Which of the following is not an example of a lipid?
A. Waxes
B. Fats
C. Ribose
D. Oils
18. _______ is the radioisotope commonly used to map a human's circulatory system.
A. Iron-59
B. Carbon-14
C. Cobalt-60
D. Technetium-99m