Are catalysts for chemical reactions in living things. Enzymes
proteins
polymerases
midi-chlorians
od

Competition occurs between species when

Students in biology are studying the macromolecules of life. they used a calorimeter to determine the calories in various types of food. once the lab was completed, the students ate the left over food samples. monica commented that in just 6 or 7 "chews" of the saltine, it was gone; nothing but a sticky paste in her mouth. elaborate on what happened chemically while chewing the saltine. include the macromolecules present.

What could happen if two base pairs on a strand of dna or switched