Lactase can be an enzyme.Logical formLearned from16 sentences. A catalytic activity may pertain-to an enzyme.Logical formLearned from16 sentences. (Restriction enzymes) may undergo a discovery.Logical formLearned from16 sentences. Enzymes can be defective.Logical formLearned from16 sentences. Enzymes can be selected.Logical formLearned from16 sentences. Genes may encode enzymes.Logical formLearned from16 sentences. (Hydrolase family) may include enzymes.Logical formLearned from15 sentences. Enzymes can be in a cell.Logical formLearned from15 sentences. (Proton atpase subunit) can be an enzyme.Logical formLearned from15 sentences. An adenylyltransferase can be an enzyme.Logical formLearned from15 sentences. A nucleosidase can be an enzyme.Logical formLearned from15 sentences. An enzyme may participate in (lipid metabolism).Logical formLearned from15 sentences. A diphosphatase can be an enzyme.Logical formLearned from15 sentences. An enzyme may participate in pantothenate.Logical formLearned from15 sentences. An enzyme may participate in (nitrogen metabolism).Logical formLearned from15 sentences.