Agene whose expression can be easily visualized and monitored is called a

The expression of a reporter gene can be easily visualized and monitored.

Explanation:

The reporter gene is a type of gene which is attached to a regulatory sequence of an another gene in a cell culture, bacteria, plants or animals. A reporter gene is generally used as an indicator, that is used to determine that a certain gene has been taken up or expressed in a cell or population of an organism.

your answer should be c) enjoy!

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