As with all catalysts, enzymes do not alter the position of the chemical equilibrium of the reaction. In the presence of an enzyme, the reaction runs in the same direction as it would without the enzyme, just more quickly.
CAUSE, pleading .The reason; the motive. 2. In a replication de injuria, for example, the plaintiff alleges that the defendant of his own wrong, and without the cause by him in his plea alleged, did, &c.
These nouns denote what brings about or is associated with an effect or result. A cause is an agent or condition that permits the occurrence of an effect or leads to a result: He is not only dull in himself, but the cause of dullness in others (Samuel Foote). Reason refers to what explains the occurrence or nature of an effect: There was no obvious reason for the accident.