Of Claire has low enzymes production use your experimental date to explain how you rules out active site mutations and abnormal pH

but there is no

i guess you forgot putting it.

the correct answer, according to e2020, is the second choice there is an occluded front in region a and a cold front in region b.

chert is a sedimentary rock composed of microcrystalline or cryptocrystalline silica. with this little bit of information, you can come to the conclusion that your answer is c.  

explanation:

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