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Gastrointestinal Tract

Where does gastric juices break up proteins and other molecules?

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gastric juices (or acid) break down the fats in food, to help the digestion process.


It takes over three hours to break down and assimilate proteins. Protein molecules are long chains with well-soldered links, and to break down their resistance requires the combination of good chewing and a barrage of various gastric, pancreatic, and biliary juices.


Gastric juices are produced in the gastric pits and secreted into the StomachThey contain pepsin(a type of protease) an enzyme that breaks down proteins, acid which makes the pepsin break down food faster and mucus that coats the walls of your stomach to stop the enzymes breaking them down as well.Read more: Discuss:What_is_the_function_of_the_gastric_juice_in_the_stomach



To reduce (break down) proteins into amino acids.


Pepsin is an enzyme secreted in the stomach to break down proteins. Mucus on the other hand is produced in the nasal passages to help trap dirt and bacteria. The mucus is then transported to the back of our throats and into our stomach by the process of swallowing... mmm, tasty. *** Mucus protects the stomach from the gastric juices and hydrochloric acid (HCI). Pepsin is produced by the chief cells, and is turned into pepsinogen (by the hormone gastrin produced in the brain). Pepsinogen helps break down proteins in your stomach.


The stomach churns the food into smaller pieces then gastric juices are released to break down any bugs or any other bad things , also gastric juices keep the nutrition in the food.


on average, gastric juice has a pH somewhere between 1-2, thus gastric is VERY acidic, as it is required to break up many varieties of food and nutrients


to break down larger molecules into simpler molecules of food components


Gastric juices are secreted by glands in the stomach lining. It contains digestive enzymes (called pepsin and rennin), hydrochloric acid and mucus. They help break down food and destroy pathogens which enter the stomach through the nose and mouth. Functions: Pepsin breaks down proteins into more easily digestible products Rennin helps in the digestion of milk proteins Mucus forms a protective layer on the stomach lining which protects it from the actions of the acidic gastric juices. Hydrochloric acid provides the acidic environment which allows pepsin to work more effectively.


The enzymes like pepsin break down the proteins and not the other molecules because they are themselves protein.



They break down food by melting it. Like if corrosive acid touched skin it would melt it.


Gastric juices begins to break foods apart, which, by definition, softens the food into a mash-like substance. It adds lubrication to what the mouth/saliva provided.


Chief cells secret pepsinogen and gastric lipase. Pepsin, the activated form of pepsinogen, can break down proteins into peptides and gastric lipase can break down trigylcerides into fatty acids and monoglycerides.


enzymes break down food proteins into smaller molecules that can be carried by blood


The digestive enzymes of the pancreas help to break down fats, proteins and starch molecules.


There is no chitin naturally present in the human stomach, as chitin grows in fungi and arthropods.However, when such organisms are eaten, the gastric juices in the stomach naturally break down chitin. Also, chitinases (enzymes) can break down chitin.There is no chitin naturally present in the human stomach, as chitin grows in fungi and arthropods.However, when such organisms are eaten, the gastric juices in the stomach naturally break down chitin. Also, chitinases (enzymes) can break down chitin.


The stomach breaks down proteins only! Gastric protease breaks them down and pepsin digests them


Enzymatic proteins are proteins, or enzymes, that speed up chemical reactions in the body. These reactions break apart biological molecules without being changed themselves.


No, marshmallows begin to break down by amylases in saliva. And, in the stomach, gastric juices further break down the sugars in marshmallows to dissolve them down. So, marshmallows don't expand, they liquify in the stomach.


yes chocolate does contain proteinsand protease enzymes are used to break these big molecules down into smaller moleculesit has 10gs of protine


Enzymes break down carbohydrates proteins and fats into smaller and soluable molecules, the molecules then diffuse throught the walls of the small intestine and into blood plasma (carbs and proteins)


The mouth starts the digestive process by supplying saliva which aids in getting the food chewed to a consistency that is easily swallowed. When saliva is activated and chewing as well, it activates the gastric juices and gets them flowing, the gastric juices which contain Hydrochloic Acid ) (HCL) the HCL helps break down the foods to get the foods through the digestive tract.


proteins break into amino acids ;)



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