Indicate which statements are true of proteins. Select all that apply. Multiple select question. They act as receptors on cells' surfaces. They catalyze chemical reactions. They make up molecules that can transport oxygen. They make up one of the subunits, or building blocks, of triglycerides. They carry the instructions that control a cell's activities.

b is the answer and if you need further with anything message me

i say yes because i mean like they were born at the same time "in genesis in the " no, because who knows what humans have affected first it could be the ocean floor or the continent. mostly the continent older because that's what we live on & we mostly make manmade things on it.how's that?