Heating and Cooling Curve of Water
Topics: Protein, Enzyme, Collagen, Fruit / Pages: 15 (3552 words) / Published: Feb 4th, 2013

Background Research

Gelatine is a clear, colorless, brittle (when dry), flavourless solid substance, derived from the collagen inside the skin and bones of animals. Substances containing gelatine or functioning in a similar way are called gelatinous. gelatine is an irreversibly hydrolysed form of collagen. It is found in some gummy candies as well as other products such as marshmallows, gelatine dessert, and some low-fat yogurt. Household gelatine comes in the form of sheets, granules, or powder.

Proteins are essential nutrients for the human body. They are one of the building blocks of the body, but can also serve as a fuel source. Proteins are polymer chains made of amino acids linked together by peptide bonds. In nutrition, proteins are broken down in the stomach during digestion by enzymes known as proteases into smaller polypeptides to provide amino acids for the body, including the necessary amino acids that cannot be biosynthesized by the body itself.

Biosynthesis is an enzyme-catalyzed process in cells of living organisms by which substrates are converted to more complex products.

Collagen is a group of naturally occurring proteins found in animals, especially in the flesh and connective tissues of mammals. It is the main component of connective tissue, and is the most plentiful protein in mammals. The fibroblast is the most common cell which creates collagen.

A protease is any enzyme that conducts proteolysis, that is, begins protein catabolism by hydrolysis (the chemical breakdown of bonds due to the reaction of water) of the peptide bonds that link amino acids together in the polypeptide chain forming the protein.

Denaturation is a process in which proteins or nucleic acids lose the tertiary structure and secondary structure which is present in their native state, by application of some external stress or compound such as a strong acid or base, a concentrated inorganic salt, an organic solvent, or heat.

A protease is a protein and



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