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Proteins

Unit 3&4 VCE Biology

TermDefinition
ribosome organelle that is the site of protein synthesis
protein macromolecule consisting of C,H,O,N,P,S; polymer made of the amino acid monomer
enzyme molecule made of protein that binds to a specific substrate to catalyse reactions
vesicle transports protein from golgi apparatus to the cell membrane
rough endoplasmic reticulum organelle where polypeptide chains are folded and transported from ribosome to golgi apparatus
plasma membrane semi-permeable phospholipid bilayer that controls which substances enter/exit the cell
exocytosis bulk transport of molecules OUT of the cell, requires energy
quaternary structure structure formed when two or more polypeptide chains join together to form an overall protein
amino acid monomer of polypeptides & proteins, composed of an amino group, a carboxyl group and a variable R group
proteome all of the proteins produced by a cell/organism in a particular environment
golgi apparatus organelle where proteins are modified and packaged into vesicles for export from the cell
secondary structure folding of amino acid chain into alpha-helices, beta-pleated sheets or random coils
tertiary structure overall three dimensional shape/conformation of a polypeptide chain
denaturation permanent change in the shape of a protein, causing it to be non-functional
protein secretory pathway pathway a cell uses to release proteins to the extracellular environment
primary structure linear sequence of amino acids
peptide bond bond between amino acids
Created by: BiologyBright
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