Which step in transcription occurs first?
C. RNA polymerase attaches to the promoter.
In my opinion the answer would be A.
Answer:
ummmmmmmmm sir what i um well I think G.o.o.g.l.e would be your friend on that one
<span>The number of protons plus the number of neutrons is called the mass number.</span>
Gas exchange in humans is the delivery of oxygen lungs to the bloodstream, and the elimination of carbon dioxide from the bloodstream to the lungs.
