Still other organisms, called can grow in the presence or absence of oxygen, but grow better in its presence.

answer; i believe the correct answer is ( proteins );

a axis of a graph is a color or shade so we can all go outside and have a party so we can eat   some grilled cheese sammiches and broccoli and have some ugly fun times

i don't know why i put this, i know its not the i was just bored : p

delete this answer while you can