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63 terms

digestive enzymes

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what is the enzyme in the mouth?
salivary amylase
what kind of digestion is salivary amylase?
carbohydrate digestion
what secretes salivary amylase?
serous acini in the salivary glands
function of salivary amylase in mouth
hydrolyzes starch into maltose and other small carbohydrate fragments
what are the enzymes in the stomach? (4)
1. salivary amylase
2. lingual lipase
3. gastric lipase
4. pepsin
what deactivates salivary amylase in the stomach?
HCl in the stomach
what kind of digestion is lingual lipase?
lipid digestion
what secretes lingual lipase?
serous acini in the tongue
what activates lingual lipase?
HCl in the stomach
function of lingual lipase
hydrolyzes triglycerides into fatty acids and diglycerides
what secretes gastric lipase?
chief cells in the stomach
what kind of digestion is gastric lipase?
lipid digestion
function of gastric lipase
hydrolyzes triglycerides into fatty acids and monoglycerides
what kind of digestion is pepsin?
protein digestion
what activates pepsin?
activated from pepsinogen by HCl in the stomach
what secreted pepsinogen?
chief cells in stomach
function of pepsin
hydrolyzes protein into peptides
what are the enzymes in the small intestine? (15)
1. pancreatic amylase
2. alpha-dextrinase
3. maltose
4. sucrase
5. lactase
6. bile salts
7. pancreatic lipase
8. enterokinase
9. trypsin
10. chymotrypsin
11. elastase
12. carboxypeptidase
13. peptidase
14. ribonuclease
15. deoxyribonuclease
name the brush border enzymes in the small intestine (6)
1. alpha dextrinase
2. maltase
3. sucrase
4. lactase
5. enterokinase
6. peptidase
name the enzymes secreted from the pancreas (8)
1. pancreatic amylase
2. pancreatic lipase
3. trypsin
4. chymotrypsin
5. elastase
6. carboxypeptidase
7. ribonuclease
8. deoxyribonuclease
what kind of digestion of pancreatic amylase?
carbohydrate digestion
what secretes pancreatic amylase?
serous acini in the pancreas
function pancreatic amylase
hydrolyzes starch into maltose and small carbohydrate fragments (alpha dextrins)
what kind of digestion if alpha dextrinase?
carbohydrate digestion
function of alpha dextrinase
hydrolyzes small carbohydrate fragments (alpha dextrins) into glucose
what kind of digestion is maltase?
carbohydrate digestion
function of maltase
hydrolyzes maltose into glucose
what kind of digestion is sucrase?
carbohydrate digestion
function of sucrase
hydrolyzes lactose into glucose and fructose
what kind of digestion is lactase?
carbohydrate digestion
function of lactase
hydrolyzes lactose into glucose and galactose
what kind of digestion is bile salts?
lipid digestion
what secretes bile salts?
hepatocytes in the liver
function of bile salts
emulsifies triglyceride globules (large) into droplets (small)
what kind of digestion is pancreatic lipase?
lipid digestion
what secretes pancreatic lipase?
serous acini in the pancreas
function of pancreatic lipase
hydrolyzes triglycerides into fatty acids and monoglycerides
what kind of digestion is enterokinase?
protein digestion
function of enterokinase
hydrolyzes trypsinogen into trypsin
what kind digestion is trypsin?
protein digestion
what activates trypsin?
activated from trypsinogen by enterokinase
what secretes trypsinogen?
serous acini in the pancreas
function of trypsin
hydrolyzes protein into peptides
what kind of digestion is chymotrypsin?
protein digestion
what activates chymotrypsin?
activated from trypsinogen by enterokinase
what secretes chymotrypsinogen?
serous acini in the pancreas
function of chymotrypsin
hydrolyzes protein into peptides
what kind of digestion is elastase?
protein digestion
what activates elastase?
activated from proelastase by trypsin
what secretes proelastase?
serous acini in the pancreas
function of elastase
hydrolyzes proteins into peptides
what kind of digestion is carboxypeptidase?
protein digestion
what activates carboxypeptidase?
activated from procarboxypeptidase by trypsin
what secretes procarboxypeptidase?
serous acini in the pancreas
function of carboxypeptidase
hydrolyzes proteins into peptides
what kind of digestion is peptidase?
protein digestion
function of peptidase
hydrolyzes peptides into amino acids
what kind of digestion is ribonuclease?
nucleic acid digestion
what secretes ribonuclease?
serous acini in the pancreas
function of ribonuclease
hydrolyzes RNA into nucleotides
what kind of digestion is deoxyribonuclease?
nucleic acid digestion
what secretes deoxyribonuclease?
serous acini in the pancreas
function of deoxyribonuclease
hydrolyzes DNA into nucleotides