What would happen if we didn't have plane joints? (Gliding joints)

The problem you'll face if you don't have gliding joints in your body is : You won't be able to move shoulders.

OKAY THIS IS GONNA BE A MAJOR PROBLEM

CAUSE THEN THE PLANE WONT MOVE UP OR DOWN. PLEASE MARK ME BRAINLIST

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