You may learn extra about marinating in my primer on the topic, however the gist is that this: Marinades received’t essentially penetrate very far right into a protein, although salt and acid can usually make somewhat headway into the meat. However largely, they’re a floor remedy for packing in taste, which isn’t a foul factor. Larger cuts might be marinated longer than smaller ones, although cuts of any measurement might be broken by utilizing acidic components for too lengthy or in too nice of an quantity.