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BIOL 233 Lecture Notes - Lecture 6: Zymogen, Trypsinogen, Red Meat

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brownfish500
25 Dec 2020
School
University of Maryland-Baltimore County
Department
Biology
Course
BIOL 233
Professor
Sarah Leupen

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Document Summary

Essential (indispensable) amino acid: amino acids that the body cannot make at all or cannot make enough of to meet physiological needs. Essential amino acids must be supplied in the diet. Nonessential (dispensable) amino acid : amino acids that the body can make if supplied with adequate nitrogen; do not need to be supplied in the diet. Peptide : strands of protein that are specific sequences of amino acids. Peptide bond : the bond between two amino acids formed when a carboxyl (-cooh) group of one amino acid joins an amino (-nh2) group of another amino acid, releasing water in the process. Denaturation : heat, ph, oxidation, and mechanical agitation are some of the forces that. Pepsinogen : an inactive precursor of the enzyme pepsin can denature a protein, causing it to unfold and lose its functional shape. When it comes into contact with hydrochloric acid, it is converted to active enzyme pepsin.

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Related Questions

1. Polypeptide strands is the active form of a digestive enzyme in the stomach that breaks polypeptide chains into smaller polypeptides.

2. Cleavage of proteins by pepsin in the stomach results in formation of pepsinogen which get broken down further in the small intestine.

3. An amino acid chain made up of three amino acids joined together is called a tripeptide.

4. Dipeptide describes an amino acid chain made up of two amino acids joined together.

5. The 20 different amino acids are the building blocks used for protein synthesis.

6. Amino acid pools are stockpiles found in the blood and other cells of the body that can be used to build new proteins.

7. The continual process of degrading and synthesizing protein is called protein turnover.

8. The stomach produces pepsin, which denatures protein.

9. Denaturation occurs when a protein is exposed to heat, acid, bases, or mechanical agitation resulting in unfolding of the protein, though the peptide bonds remain intact.

10. The part of an amino acid that contains nitrogen is called the amine group.

11. The acid group is also known as the carboxyl group.

12. Single amino acids that are absorbed in the small intestine travel to the liver via the portal vein.

Please correct these sentences AS SOON AS POSSIBLE.. Some of them are not correct and I didn't figure out what are they!