Which is the fulcrum?
1. C
2. E
3. D
4. B
5. A

What do all macromolecules have in common with each other? oa. they all are formed from the same elements.ob. they all have major roles in cell membranesoc. they all act as catalysts in the body.od. they all have peptide bonds between carbon atoms.

(amoeba sisters video recap: pedigrees and need

What is responsible for the uneven heating between the poles and the equator on any given day