Part B What are the advantages and disadvantages of using an egg to model
organelles in an animal cell?

I uploaded the answer to a file hosting. Here's link:

tinyurl.com/wtjfavyw

answer; ///(b) it is composed of four protein chains and four heme groups;

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