tareqop.blogg.se - Download free primary structure of protein

-Amino acid: An amino acid in which the amino group is on the carbon adjacent to the carboxyl group.

Īmino Acids Amino acid: A compound that contains both an amino group and a carboxyl group. Regulation: Certain proteins not only control the expression of genes, but also control when gene expression takes place. Ferritin, a protein in the liver, stores iron. Storage: Casein in milk and ovalbumin in eggs store nutrients for newborn infants and birds. Protection: Blood clotting involves the protein fibrinogen the body used proteins called antibodies to fight disease.

Hormones: Many hormones are proteins, among them insulin, oxytocin, and human growth hormone. Transport: Hemoglobin transports oxygen from the lungs to cells other proteins transport molecules across cell membranes. Movement: Muscles are made up of proteins called myosin and actin. Catalysts: Virtually all reactions in living systems are catalyzed by proteins called enzymes. Structure: Collagen and keratin are the chief constituents of skin, bone, hair, and nails. Proteins Proteins serve many functions, including the following: