Ask your own question, for FREE!
Biology 16 Online
OpenStudy (anonymous):

In what substance is nitrogen an important element? A. Proteins B. Carbohydrates C. Sugars D. Fats and lipids

OpenStudy (anonymous):

Okay well nobody helped so I guessed. It's proteins. (if anybody needs this for future reference)

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!