which is true

Question

1 Hormones are the protein-based chemicals secreted by the endocrine glands.
2 Enzymatic proteins decelerate the metabolic activity in the cells.
3 Transport proteins are structurally associated with nucleic acids, either DNA or RNA. Nucleoprotein is an example of the genetic protein.

Answer 1

1 Hormones are the protein-based chemicals secreted by the endocrine glands.