Essentials of Biology 4th Edition by Sylvia Mader ,Michael Windelspecht

تمرين 13

For question choose the class of nutrient from the key that matches the description. Each answer may be used more than once or not at all. Key:
A) carbohydrates
B) lipids
C) proteins
D) minerals
E) vitamins
F) water
Preferred source of direct energy for cells