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Eggs are rich in proteins. The digestion of proteins is initiated in the stomach. Gastric glands present in the wall of the stomach release hydrochloric acid, a protein digesting enzyme called pepsin and mucus. The hydrochloric acid creates an acidic ...
Enzymes are absent in viruses. Viruses lack cellular structure and do not carry out metabolic processes independently. They rely on host cells for replication and do not possess their own enzymes for metabolism.
