1) Enzyme activity
2) Cell to cell recognition
3) Cell signalling
4) Transport Materials.
Hope this helps! :)
D. Bacteria, Animals are Eukaryotic
chemistry of the nitrogenous bases are really the key to function the DNA<span>. something called complementary base pairing. cytosine can forms three hydrogen </span>bonds<span> with guanine, and </span>adenine<span> can form two hydrogen </span>bonds<span> with thymine.</span>
