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CB - Enzymes

Cell Biology - Topic 5 - Protein Function & Enzymes

QuestionAnswer
What type of protein speeds up chemical reactions inside cells? enzymes
What type of protein are chemical messages in the body? hormones
What type of protein helps the body fight disease? antibodies
What type of protein is where hormones join to on cells? receptors
What type of protein is found in cell membranes? structural
What type of protein are describes as biological catalysts? enzymes
What is the molecule called that an enzyme works on? substrate
At what area of the enzyme does the substrate bind to? active site
What word describes how enzymes only work with one type of substrate? specific
What word describes reactions that build small molecules into a big molecule? synthesising
What word describes reactions that break down a big molecule into small molecules? degrading
What enzyme breaks starch down into maltose? amylase
What enzyme breaks down hydrogen peroxide into oxygen and water? catalase
What enzyme breaks down protein into amino acids? pepsin
What enzyme breaks down fat into fatty acids and glycerol? lipase
What enzyme builds glucose-1-phosphate into starch? phosphorylase
What are 'optimum conditions' for enzymes? the conditions in which enzyme activity is highest
What conditions could denature an enzyme? high temperature, pH
What happens to a denatured enzyme? shape of active site changes, so the enzyme no longer works
Created by: StNiniansHS