Examine this supply and demand graph for a product. What does the red dot on the graph represent?
Demand
$5
Supply
$4
Price
$3
$2
$1
0
2
4
5
Quantity
O A. The product's equilibrium price
O B. The product's quantity demanded
O C. The product's quantity supplied
O D. The product's supply schedule

answer: accepted answer: aquatic animals use the oxygen dissolved in water to carry out respiration. since the amount of dissolved oxygen in water is low as compared to the amount of oxygen in the air, therefore the rate of breathing in aquatic animals is much faster than it is in terrestrial animals.

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