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Chapitre 3

Macromolécules

Que sont les protéines ?
Que sont les protéines ?
Overview Proteins are chains of amino acids that are connected by peptide bonds and folded into a 3-dimensional structure. The side chains of individual ...
Organisation des protéines
Organisation des protéines
Overview Proteins are one of the fundamental building blocks of life that carry out many diverse functions in the cell. Proteins are assembled from amino ...
Repliement des protéines
Repliement des protéines
Overview Proteins are chains of amino acids linked together by peptide bonds. Upon synthesis, a protein folds into a three-dimensional conformation which ...
Que sont les glucides ?
Que sont les glucides ?
Overview Carbohydrates are essential biological molecules made of carbon, hydrogen, and oxygen atoms, often in the ratio of 1:2:1. They occur as simple ...
Synthèse de déshydratation
Synthèse de déshydratation
Overview Dehydration synthesis (also called a condensation reaction) is the chemical process in which two molecules covalently link together to form a new ...
Hydrolyse
Hydrolyse
Overview Hydrolysis is a chemical reaction in which the addition of water breaks down a polymer into its simpler monomer units. For example, peptides ...
Que sont les lipides ?
Que sont les lipides ?
Overview Lipids are a group of structurally and functionally diverse organic compounds that are insoluble in water. Certain classes of lipids, such as ...
Que sont les acides nucléiques ?
Que sont les acides nucléiques ?
Nucleic acids are the most important macromolecules for the continuity of life. They carry the cell's genetic blueprint and carry instructions for its ...
Liaison phosphodiester
Liaison phosphodiester
Overview Phosphodiester bond forms when a phosphoric acid molecule (H3PO4) links with two hydroxyl groups (–OH) of two other molecules, forming two ...
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