The chart below compares the characteristics of four objects, A, B, C, and D, discovered in the solar system. Which of these objects is most likely to be a meteoroid? Object A
Object B
Object C
Object D

the answer is "a.) well–developed vascular system."

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