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Amylase, or Amylopsin
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∙ 10y ago
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What substance is acted on by maltase?
Maltase is an enzyme that acts on the compound maltose. It is present in saliva and pancreatic juice and catalyzes maltose into glucose.
How pancreatic juice acts on lipids?
Into the duodenum, the first short part of the small intestine.
What is amylase do?
Amylase is an enzyme which acts on starch.Amylase breaking it down to sugar.
What are amylases?
Amylase is an enzyme which acts on starch, breaking it down to sugar/glucose.
Is pancreatic lipase a secretion of the stomach?
Pancreatic lipase (or steapsin) is an enzyme secreted by the pancreas and it acts in the small intestine. Working best at a pH level of 8, it breaks lipid molecules into glycerol and fatty acids.
What digestive juice only acts on carbohydrates?
Carbohydrates: Salivary amylase - enzyme in the saliva which breaks starch and complex chains down. Pancreatic amylase - enzyme produced in the pancreas which reduces carbs to disaccharides. Intestinal amylase - enzyme produced in the intestine of the small intestine that finalises breakdown into glucose. Protein: Pepsin - enzyme in the stomach that reduces protein into polypeptides Pancreatic trypsin and protease - enzymes that finalises breakdown of polypeptides into amino acids to be absorbed. Lipids (Fats): Bile - NOT an enzyme - produced in the liver to emulsify (break into smaller pieces) fat into smaller droplets Pancreatic lipase - enzyme that finalises breakdown of fat into fatty acids and glycerol.
What are the two glands that secrete digestive enzymes into the first part of the small intestine?
liver produces BILE and pancreas acts as an exocrine gland by producing pancreatic juice
What to enzymes do in an enzyme-substrate?
in an enzyme-substrate complex, the enzyme acts on the substrate .
Which pancreatic enzymes acts on glycogen and starches?
Amylase
What component of the pancreatic juices acts as a buffer and neutralizes the acidity of gastric juice?
Bicarbonate ions give pacreatic juice more Alkaline pH (7.1-8.2), which inactivates pepsin from the stomach, creating an optimal environment for enzymes in SI.
Why is it that apple slices can be kept from browning by brushing them with lemon juice. infer what role lemon juice plays in this case?
Ascorbic acid from lemon juice act as a preservative; the reaction between polyphenol oxidase (an enzyme) with oxygen from air is stopped.
What enzyme acts on starches and turns it into sugar?
Amylase: Starch or amylose is a polysaccharide (carbohydrate) comprised of long chains of glucose molecules. The enzyme, amylase, hydrolyzes starch to dextrins (short chains of glucose molecules), maltose (disaccharide containing glucose) and glucose (sugar).
