Which blood type could be given as a transfusion for patient with ab blood when the rh factor is unknown

AB-

Explanation:

All AB blood can receive AB-, but only AB+ can receive AB+, so it is safer to use AB- if the RH factor is unknown.

AB+ can receive AB+ or AB-

AB- can only receive AB-

frogs. the lower the ph the higher the acid content. frogs have the highest tolerance in this scenario.

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