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1.2D Proteins

TermDefinition
amino acids has a central carbon atom bonded to a hydrogen atom and three groups that include an amino group (-NH2), an acidic group (-COOH), and an R group (remainder of the molecule)
enzymes a biological catalyst that speeds up the chemical reactions that occur in the body; does this by lowering the activation energy required for each chemical reaction
hormones chemical messenger that travels through the body and influences cell functions, such as metabolism, growth and development, and homeostasis.
peptide bond C-N covalent bonds that join two amino acids
plasma the liquid portion of the blood; mainly consists of water; 7-8% proteins.
primary proteins a linear sequence of amino acids linked by peptide bonds (C-N) that formed by dehydration synthesis.
primary structure linear sequence of amino acids joined by peptide bonds; formed by dehydration synthesis
proteins polymers with amino acid monomers; include all antibodies, enzymes, most hormones, and much of structural support in the tissues of our bodies; consists of polymers made from the 20 different amino acids found on the cells.
secondary structure looks like proteins coiled into a helix or pleated sheet; caused by bonding of the H atoms in the amino groups and the O atoms of close range acidic groups.
quarternary structure consisting of more than one amino acid chain.
quarternary proteins made of two or more tertiary proteins joined together
R group the remainder of the amino acids
tertiary structure caused by the covalent bonding between the R groups in the structure (between the alpha helices and pleated sheets)
tertiary proteins a three-dimensional structure created by a secondary protein that has folded back upon itself.
Created by: gwynneth
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