during elongation, rna polymerase has three prominent channels, or grooves. these channels provide sites for all of the following except .

then that particular organisms become extinct.

what subject is this

carbon atoms, hydrogen, oxygen, and nitrogen.

protein makes up the building blocks of organs, muscles, skin, hormones and pretty much everything that matters in your body.

some choices are:

peanut butter

seeds

eggs

yogurt

meats

fish

so pretty much meat, dairy, nuts, and grains.