Carbohydrates, lipids, and proteins all contain carbon, hydrogen, and oxygen. Which one also contains nitrogen?
A. Carbohydrates
B. Lipids
C. Proteins
D. none of the above
Answer:C
Carbohydrates, lipids, and proteins all contain carbon, hydrogen, and oxygen. Which one also contains nitrogen?
A. Carbohydrates B. Lipids C. Proteins D. none of the above