1. ____ are stored by the body as energy reserves.

Question

Lipids
Carbohydrates
Proteins
Nucleic acids
C?

Answer 1

The keyword here is energy reserves.
All except one provide energy, but under different conditions.

Discover about all four at the link:
http://www.livestrong.com/article/281655-functions-of-lipids-carbohydrates-nucleic-acids-proteins/