Duodenum is indicated structures contains the glands which secrete an alkaline mucus that helps to neutralize the acidic chyme
The duodenum is first part of the small intestine. The main role of the duodenum is to complete the first phase of the digestion. In this section of the intestine, the food from the stomach is mixed with enzymes from the pancreas and bile from gallbladder.
It may be subdivided into four sections: the superior part, is descending part, is horizontal part and is ascending part. The superior part (first part, D1) lies in intraperitoneally and is also enlarged proximally (duodenal bulb
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The villi have an increased surface area
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Hello! The answer to your question would be as followed:
<u><em>Amino acids - a simple organic compound containing an amino and carboxyl</em></u>
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<u><em>Polypeptides - a linear organic polymer consisting of a large number of amino-acid residues bonded together in a chain, forming part of (or the whole of) a protein molecule.</em></u>
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<u><em>Proteins - Polymers of amino acids</em></u>
Active transport is the process by which dissolved molecules move across a cell membrane from a lower to a higher concentration. In active transport, particles move against the concentration gradient - and therefore require an input of energy from the cell.
