The inspiratory reserve volume measures the
amount of air remaining in the lung after a maximal exhalation
amount of air that the lung holds
amount of air that can be further exhaled after a normal breath
amount of air that can be further inhaled after a normal breath

ucd e e. rr. t t t t t t. to

black

lasagna

lunch

math

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

a symbiotic relationship with the mitochondria