BTEC Applied Science Enzymes Actual Exam Correctly Answered 2024

What are proteins made of? - Answer Polypeptide chains = amino acids linked together by peptide bonds Condensation reaction - Answer a chemical reaction in which two or more molecules (amino acids) combine to produce & lose water Dipeptide - Answer 2 amino acids bonded together by a peptide bond Polypeptide - Answer A chain of many amino acids linked together by peptide bonds. Enzymes - Answer proteins that act as biological catalysts catalyst - Answer substance that speeds up the rate of a chemical reaction & not used up What is an active site? - Answer a region on an enzyme that binds to a protein or other substance during a reaction. what is an active site consist of? - Answer small n.o amino acids = form specific shape why are active sites made of amino acids? - Answer proteins secondary & tertiary structure secondary structure - Answer Regions of repetitive coiling (a-helix) or folding (b-pleated sheet) in polypeptide chains due to hydrogen bonding between -NH & -C=O of two amino acids