The electric charge of an atom is found by adding the charges carried by its protons and

What are the types of genetic recombination

In what for do plants utilize nitrogen? why do they need nitrogen?

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.