22. Rigor mortis is: a. permanent.
c. temporary
b. one cause of death.
d. one manner of death.

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

plato users:

d.  

there was a variety of food available on island x, but there were only large seeds and nuts on island y.