Module 1 Biological Molecules 4.0 / 5 based on 1 rating ? BiologyBiological moleculesASOCR Created by: AGomezCreated on: 29-05-14 17:30 What changes the tertiary structure of an enzyme so that it cannot function and its function cannot be restored? Denaturation 1 of 20 What is the temperature that gives the enzyme rate of reaction? Enzymes optimum temperature 2 of 20 What is enzymes usual optimum temperature? 40-50 degrees 3 of 20 What bonds does pH interfere with first? Hydrogen 4 of 20 In the induced fit hypothesis states that an important part of catalysis in the active site relies on charged what? R groups on amino acids 5 of 20 What resists changes in pH by maintaing constant level of hydrogen ions in solution ? Buffer 6 of 20 What becomes more available as enzyme concentration increases? More active sites 7 of 20 What molecules have a similar shape to the substrate? Competitive inhibitor 8 of 20 What does the attachment of a non competitive inhibitor to an enzyme molecule do? Changes the tertiary structure 9 of 20 What doe a competitive inhibitor do to the enzymes rate of reaction? Decrease rate of reaction 10 of 20 What type of inhibitors can permanently bind enzyme molecules? Non competitive inhibitor 11 of 20 What type of molecule carried chemical groups between enzymes to link together enzyme controlled reactions? Co-enzymes 12 of 20 What type of molecules ensure that enzyme controlled reactions can take place at an appropriate rate? Inorganic ion cofactors 13 of 20 What vitamin makes a co enzyme which helps the body break down carbohydrates to release energy? Vitamin B3 14 of 20 A coenzyme that is permanent part of an enzyme molecule is called what? Prosthetic group 15 of 20 What is used to make the enzyme substrate complex form more easily? Inorganic ion cofactor 16 of 20 What do poisionous substances inhibit or overactivate Enzymes 17 of 20 What does the poison potassium cyanide inhibit? Cell respiration 18 of 20 What do protease inhibitors specifically inhibit? Viral protease enzymes 19 of 20 Respiration and photosynthesis are examples of what ? Complex metabolic sequences 20 of 20
Biological molecules AQA AS Biology PART 5 of 8 TOPICS: Nucleic acids 5.0 / 5 based on 1 rating Teacher recommended
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