Question

carbohydrates may for larger carbon based macromolecules by combining with which elements A) sodium, potassium, nitrogen B) nitrogen, sulfur, phosphorus C) potassium, sodium, sulfer D) silicon, phosphorus, sodium

Answer 1

The answer is B.

These elements are among the most important elements in life. Most of these elements are also non-metals. Elements life sulfur and nitrogen combine with carbohydrates to form among acids rings like cysteine. Carbohydrates combine with phosphorus to form molecules such as the DNA backbone chain.