Unknown Compounds C, D and E were isolated from one of the aliens. Compound C wa

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Unknown Compounds C, D and E were isolated from one of the aliens. Compound C was found locally in a tissue sample, while D and E were removed from what appeared to be the alien’s blood stream. When Compound C was added to a dish containing the same tissue it was extracted from it caused an increase in the release of the same compound by the cells it was originally isolated from. Compound D, when added to a tissue sample believed to come from the stomach, caused the cells to release H+. Lastly, when Compound D and E were delivered together to the same tissue, there was a drastic increase in the release of Compound C. a. What mode of secretion would you associate Compound C with? b. What endocrine hormone associated with stomach digestion does Compound D appear to have similar functions with? Give a justification for your choice? c. When Compound D and E were tested together, what type of regulatory feedback loop occurred in relation to Compound C? Unknown Compounds C, D and E were isolated from one of the aliens. Compound C was found locally in a tissue sample, while D and E were removed from what appeared to be the alien’s blood stream. When Compound C was added to a dish containing the same tissue it was extracted from it caused an increase in the release of the same compound by the cells it was originally isolated from. Compound D, when added to a tissue sample believed to come from the stomach, caused the cells to release H+. Lastly, when Compound D and E were delivered together to the same tissue, there was a drastic increase in the release of Compound C. a. What mode of secretion would you associate Compound C with? b. What endocrine hormone associated with stomach digestion does Compound D appear to have similar functions with? Give a justification for your choice? c. When Compound D and E were tested together, what type of regulatory feedback loop occurred in relation to Compound C? Unknown Compounds C, D and E were isolated from one of the aliens. Compound C was found locally in a tissue sample, while D and E were removed from what appeared to be the alien’s blood stream. When Compound C was added to a dish containing the same tissue it was extracted from it caused an increase in the release of the same compound by the cells it was originally isolated from. Compound D, when added to a tissue sample believed to come from the stomach, caused the cells to release H+. Lastly, when Compound D and E were delivered together to the same tissue, there was a drastic increase in the release of Compound C. a. What mode of secretion would you associate Compound C with? b. What endocrine hormone associated with stomach digestion does Compound D appear to have similar functions with? Give a justification for your choice? c. When Compound D and E were tested together, what type of regulatory feedback loop occurred in relation to Compound C?

Explanation / Answer

A). Autocrine - as the compound C act on the same cell from which it was released. It will be Merocrine mode of secretion.

2. Gastrin

3. Positive feedback - Enhancing or amplification of the stimulus by the change induced by stimulus.

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