The reason for the increase in the concentration of the hydrogen ions (H*) in the stomach contents during the digestion as compared to the level in the cells lining the stomach and also analyze the transport process involved in the movement of the ions.
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- When blood glucose level rises, the pancreas secretes insulin, and as a result blood glucose level declines. When blood glucose level is low, the pancreas secretes glucagon, and as a result blood glucose level rises. Such regulation of blood glucose level is the result of A reproduction thermal regulation community homeostasis 2,279 12 tv N MacBook Air DII DD F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F1 @ %23 24 2 6. %3D * COWhen William H. was helping victims after a devastating earthquake in a region not prepared to swiftly set up adequate temporary shelter, he developed severe diarrhea. He was diagnosed as having cholera, a disease transmitted through unsanitary water supplies contaminated by fecal material from infected indiv iduals. The toxin produced by cholera bacteria causes Cl- channels in the lurninal membranes of the intestinal cells to stay open, thereby increasing the secretion of Cl- from the cells into the intestinal tract lumen. By what mechanisms would Na+ and water be secreted into the lumen in conjunction with Cl- secretion? How does this secretory response account for the severe diarrhea that is characteristic of cholera?Movement of glucose from one side to the other side of the intestinal epithelium is a major example of transcellular transport. How does the Na+/K+ ATPase power the process? Why are tight junctions essential for the process? Why is localization of the transporters specifically in the apicalor basolateral membrane crucial for transcellular transport? Rehydration supplements such as sport drinks include a sugar and a salt. Why are both important to rehydration?
- Cotransport systems of the internal epithelial cells include the _____ in the intestine facing membrane, the energy requiring _____ facing the blood, and the ________ allowing facilitated diffusuon of glucose out of the cell.In all human cells, there is a higher concentration of calcium ions outside of thecell than on the inside of the cell. Calcium pumps are primary active transportproteins that help to maintain this imbalance. Describe how calcium pumpswork, including the direction of ion transport and the source of energy of thecalcium pumps.Can't see this image? Please see this file:Online Module 2A Q5.pdf Consider the scenario depicted below: A Transporter A Transporter B Transporter C B Transporter D C D Electrochemical gradient: high high low Which transporter (D or E) represents how the Na+/Glucose transporter allows for glucose uptake into intestinal cells? Note that the outside and inside of the cell are not labeled. II low low high
- he human body requires various nutrients which are essential for health and can be obtained from a balanced diet. Compare and contrast the digestion and absorption of (a) proteins and (b) fats along the gastrointestinal (GI) tract. Discuss the principal enzymes involved and the carrier transport mechanisms and/or intracellular processes at play.Can you solve both parts to this question please A. In the gastric proton pump, H+ is transported into the stomach. What molecule is cotransported and where does it go? B. The K+ concentration is higher in the mucosal cells lining the stomach than the K+ concentration in the stomach because of the sodium pump. Why would a cotransport protein that carried both K+and H+ from the mucosal cell into the stomach by secondary active transport create a problem?. ________________ is a form of membrane transport thatrequires no direct energy input but does require a channel ora carrier.