A major difference in the structure of proteins, fats, and carbohydrates is that only proteins always contain (A) carbon
(B) hydrogen
(C) oxygen
(D) sodium
(E) nitrogen​

Differences between compact bone and cartilage

Recombinant dna is the merging of dna from unrelated organisms to create new genetic varieties is assembled in the lab from mononucleotides was part of the green revolution of the 1960s is pollination of one plant by another of the same species is cross-pollination of one plant by a different species

Which term most precisely describes the cellular process of breaking down large molecules into smaller ones? a) catalysis b) metabolism c) anabolism d) dehydration e) catabolism