Asked in Uncategorized
Do enzymes work quickly in the stomach?
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Asked in Intestines
Does digestive enzymes will still function in the small intestin?
Which organ secrets enzymes that are active at a low pH?
Asked in Biology, Biochemistry, Catalysts and Catalysis
How might stomach enzymes differ from other enzymes?
How will the enzymes work when you eat?
They are in your saliva, when you eat saliva gets produced, and the enzymes are used to break down the food partially before it hits your stomach, then the stomach uses HCl with other enzymes to break the food down even more. Answer Hydrolytic enzymes (enzymes that break apart compounds) work by binding the substrate (the food in this case) to its active site. The enzyme will then break bonds in the substrate and make simpler molecules. This occurs many times with many enzymes. A correction on the first answer: enzymes in your saliva (salivary amylase) breaks down starch (carbs), but the digestion process for carbohydrates does not continue in the stomach -- only proteins are digested in the stomach because the HCl denatures the amylase.
Asked in Science, Acids and Bases
What happens to enzymes when they are exposed to acids and bases?
It depends on the enzyme. Some enzymes work most efficiently in acidic solutions whereas others work best in basic solutions. E.g. Enzymes in the stomach work best at a pH level of 2 or very acidic. If they are not put in the right pH then the enzymes may not work properly/efficiently or they may denature (deactivate irreversibly)
Asked in Stomach
Emzymes that are required for the digestion of food in the stomach?
Pepsin is a protease enzymes released into the stomach. There is more mechanical breakdown too by the stomach muscles. If you take plant enzymes, most plant enzymes are quite stable in the stomach environment and go to work. This gives the plant enzymes an edge on digestion over animal/pancreatic enzymes. Plant enzymes can be working on food for at least an hour before the food proceeds to the small intestine. Once the food enters the small intestine, plant enzymes continue to work. At this point, any pancreatic or animal enzymes kick in. It is at this point that your naturally produced pancreatic enzymes are released by the pancreas. Some enzymes are released by the small intestine lining as well. The enzymes from the small intestine include: lactase (breaks down milk sugar), DPP IV (breaks down milk protein and other protein bonds), and dissacharrides (breaks down some starches and sugars).
Asked in Human Anatomy and Physiology
At what PH do digestive enzymes work best in the small intestine?