the words epi in greek means upon or over. Based on this defenition, what body part likely contains epithelial tissue. In your answer, explain how cells arrangement helps this body part preform its function.

enzyme active site and substrate specificity

enzymes bind with chemical reactants called substrates. there may be one or more substrates for each type of enzyme, depending on the particular chemical reaction. in some reactions, a single-reactant substrate is broken down into multiple products

bradykinin is a physiologically and pharmacologically active peptide of the kinin group of proteins, consisting of nine amino acids.

look at this it will give you up to 17 answers  

answer; civil inattention;