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A protein secreted by the stomach that is necessary for the absorption of vitamin B12?
Wiki User
∙ 11y ago
"Intrisic factor" is necessary for B12 absorption
Wiki User
∙ 14y ago
Wiki User
∙ 11y agoHemoglobin
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What does the enzyme pepsin digest?
Pepsin breaks down proteins into peptides and is found in the stomach, its secreted from the gastric glands found in the lining of the stomach.
What is the role of the stomach after the mouth is finishes to bolus the food?
After the mouth has finished chewing and forming the bolus, the stomach's role is to further break down the bolus through the process of mechanical and chemical digestion. The stomach muscles contract to mix and churn the bolus, while gastric acid and enzymes are secreted to help break down the food into a semi-liquid mixture called chyme. Additionally, the stomach helps control the rate at which chyme is released into the small intestine for further digestion and absorption.
Why the conversion of soluble milk protein caseinogens into insoluble protein casein is necessary?
Rennin clots or curdles milk proteins by converting the soluble protein caseinogen into insoluble casein. This is necessary because soluble milk proteins would pass through the stomach to the duodenum as water and would not be digested by pepsin. Insoluble casein remains long enough in the stomach to be digested by pepsin.
What is the gastric enzyme that acts on proteins?
The proteolytic or protein eating enzyme of the stomach is called pepsin. Pepsin is secreted into the stomach as a zymogen (or inactive enzyme precursor) called pepsinogen which is converted into the active enzyme form by the hydrochloric acid and low pH in the gastric juices.
What part of the body is protein digested in?
Protein is digested in the stomach and small intestine.
What hormone is secreted in response to thepresence of protein in the stomach?
Gastrin is produced in the stomach and starts secretion.
Is the stomach the first site where absorption takes place?
No it is not, the stomach initiates protein digestion and denatures proteins. The intestines is the first site where absorption takes place.
What stomach secretion is necessary for normal hemoglobin Production in RBC's?
Intrinsic factor is secreted by the parietal cells and is critical for absorption of B12. When the body attacks the parietal cells b12 deficiency results which is called "pernicious anemia."
Where in the body are protein absorbs?
Nutrients are absorbed in the small intestine. Protein absorption actually begins in the stomach, and continues throughout the digestive tract. The absorption rate depends largely on the source of the protein.
Protein digestion in the stomach results primarily from secretions released by what?
Protein digestion in the stomach results primarily from secretions released by the gastric glands. The enzyme that is secreted is called pepsinogen.
Why are protein digestive enzymes produced and released in an inactive form?
In the case of protein digesting enzymes, known as endopeptidases, such as those secreted in the stomach (pespin), it is obvious. If they were secreted active they would digest the glands which secrete the enzymes themselves (gastric glands). Instead they must be secreted in an inactive form, which once in the stomach and exposed to HCl acid and other pepsin enzymes the pepsinogen activates and begins digesting protein.
What would be happen if HCL were not secreted in stomach?
Hydrochloric acid is secreted by the glands present on the stomach walls. It dissolves bits of food and creates an acidic medium. The acidic medium allows pepsinogen to be converted into pepsin. Pepsin plays an important role in the digestion of proteins. Therefore, if HCl were not secreted in the stomach, then pepsin would not be activated. This would affect protein digestion. A pH of about 1.8 is necessary for proteins to be digested. This pH is achieved by HCl.
What are the enzymes produced in the stomach?
The main enzyme in the Stomach is Pepsin which is used to digest protein. Only protein digestion occurs in the stomach and almostt no absorption, (only a little alcohol). This protein is not secreted as its active form (ie not as pepsin) but as the Zymogen (the inactive precursor to proteins) Pepsinogen which cleaves in a low pH to form the active enzyme.
Pepsinogen is the precursor to the gastric enzyme for protein digestion and is secreted by the parietal cells?
it is secreted by stomach glands as an inactive proenzyme, pepsinogen, which is converted to pepsin by the cleavage of acid-labile linkages in the acidic (low pH) environment of the stomach.
What does the enzyme pepsin digest?
Pepsin breaks down proteins into peptides and is found in the stomach, its secreted from the gastric glands found in the lining of the stomach.
The hormone that causes the production of hydrochloric acid in the stomach?
That is hormone gastrin. It is secreted by stomach
In the stomach the protein is digested by?
That is a proteolytic enzyme. Name of the enzyme is pepsin. It is secreted as inactive pepsinogen, which become active when it comes in contact with the hydrochloric acid, in the stomach.
