Define feedback inhibition using the words active site, substrate, product and allosteric site

What causes the phospholipids to organize themselves the way they do

Im is in a crowd of people at the mall looking for his girlfriend tammy, who was supposed to meet him for dinner. jim realizes tammy is across the room as he catches a whiff of her overpowering perfume, 'paris #6'. which process explains why jim is able to smell the perfume?

Environmental differences within ecosystems are generally caused by