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digestive enzymes
APbioLHSCh.41digestive enzymes
| organ found in | enzyme | function | special fact |
|---|---|---|---|
| mouth, small intestine | amylase | hydrolyzes starch&glycogen | yields maltose+polysaccharides |
| stomach | pepsin | hydrolysis of proteins | active at low (acidic) pH |
| small intestine | trypsin & chymotrypsin | breaks lg.peptides into a.a. | activates other digestive enzymes |
| small intestine | nucleases | breaks DNA or RNA into nucleotides | other enzymes continue the brkdwn into sugars, phosphates, etc |
| small intestine | bile salts | coat fats to keep them in solution-"emulsification" | they are salts, not enzymes |
| small intestine | lipase | hydrolyzes fats | most fat absorbed in duodenum portion of sm.intestine |
| epithelium of sm.intestine(brush border) | maltase, lactase, sucrase | yields monosaccharides | called disaccharidases |