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Questions and Answers
Qual é a principal função do colágeno no corpo humano?
Qual é a principal função do colágeno no corpo humano?
- Estimular o crescimento muscular
- Estabilizar os ossos (correct)
- Fornecer energia
- Estimular o sistema imunológico
Quais são as três cadeias de peptÃdeos que formam o colágeno?
Quais são as três cadeias de peptÃdeos que formam o colágeno?
- As cadeias alfa, beta e gama
- As cadeias alfa, ômega e gama
- As cadeias alfa, beta e delta
- As cadeias alfa, beta e gama (correct)
Qual é a principal estrutura que mantém as três cadeias de peptÃdeos juntas?
Qual é a principal estrutura que mantém as três cadeias de peptÃdeos juntas?
- Ligações de hidrogênio
- Ligações de oxigênio
- Pequenas quantidades de aminoácidos (correct)
- Pequenas quantidades de glicose
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Study Notes
- The main protein in the human body is collagen. It makes up around 25% of our total mass and its main function is structural support for bones, skin, and blood vessels.
- Type 1 collagen, which is found mainly in bones, tendons, and ligaments, has a high resistance to mechanical stress, making it ideal for tissues that support the body and need high resistance to function.
- Type 2 collagen is present mainly in cartilage and joints, and all types of collagen have three peptide chains that are intertwined to form the superhelix. The primary structure of each chain's alpha chain determines its type.
- The peptide chains are stabilized by hydrogen bonds, and the bonds between the chains are held together by small amounts of amino acid, glycine.
- The small amount of glycine allows for greater empacotment of the structure, and the linkage of the three chains is stabilized by hydrogen bonds.
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