B11 Enzymes

Unit B11: Cell Biology (Enzymes) Authored by Michelle Choma © ,[object Object],[object Object],[object Object],[object Object]

PLO’s continued ,[object Object],[object Object],[object Object]

PLO’s continued ,[object Object],[object Object]

Terms to Know ,[object Object],[object Object],[object Object]

Enzymes ( E ): ,[object Object]

Enzymes ,[object Object],[object Object],[object Object]

Enzymes ,[object Object],[object Object],[object Object],[object Object],[object Object]

Substrates ( S ) ,[object Object],[object Object],[object Object]

Co-enzymes ,[object Object],[object Object],[object Object]

Energy of Activation: ,[object Object],[object Object]

See following graph of Time vs. Energy Level .

Energy of Activation ,[object Object],[object Object],[object Object]

“ Induced Fit” Model of Enzymatic Action ,[object Object],[object Object],[object Object]

[object Object],[object Object]

Induced Fit Theory ,[object Object]

Steps of the Induced Fit Theory ,[object Object],[object Object]

Steps of the Induced Fit Theory ,[object Object]

Dehydration Synthesis of Monomers

Co-enzymes and Vitamins ,[object Object],[object Object]

Co-enzymes/vitamins ,[object Object],[object Object]

Enzymatic Reaction with a Co-enzyme:

Effects on Enzyme Activity ,[object Object],[object Object],[object Object]

Factors affecting the rate ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

pH ,[object Object],[object Object],[object Object],[object Object]

More Examples of pH ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

pH ,[object Object],[object Object]

Interpreting pH vs. Rate of Enzyme Activity graphs :

Interpreting graph ,[object Object],[object Object]

Interpreting pH vs. Rate of Enzyme Activity graphs : ,[object Object]

Temperature ,[object Object],[object Object]

Temperature ,[object Object],[object Object],[object Object]

Interpreting Temperature vs. Rate of Enzyme Activity graphs : 37

Temperature Vs. Time for O 2 Production

About the graph ,[object Object]

About the graph ,[object Object],[object Object]

Interpreting Substrate Concentration vs. Rate of Enzyme Activity graph:

About the Substrate graph ,[object Object],[object Object],[object Object],[object Object]

About the Enzyme graph ,[object Object]

Competitive Inhibitor ,[object Object],[object Object],[object Object]

Uses---the good, the bad & the ugly! ,[object Object],[object Object],[object Object]

Competitive Inhibitors ,[object Object]

Competitive Inhibitor -E.g. In the following metabolic pathway: E 1 E 2 E 3 A B C D competitive inhibitor ,[object Object]

Interesting tidbits ,[object Object],[object Object]

Non-Competitive Inhibitor ,[object Object],[object Object]

Important Note!! ,[object Object]

Inhibitor Effects on Rate of Reaction

Heavy Metals ,[object Object],[object Object],[object Object],[object Object]

Interpreting Addition of Heavy Metals vs. Rate of Enzyme Activity graph:

Temp Vs. Heavy Metal ,[object Object]

Enzyme Activity Labs One molecule of catalase can break 40 million molecules of hydrogen peroxide each second. No wonder so many bubbles!!!

Which line represents an enzyme-catalyzed reaction?

Experimental Design Using the Scientific Method ,[object Object],[object Object],[object Object]

Experimental Design ,[object Object],[object Object]

Steps of the Scientific Method ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Effects of Thyroxin on Metabolism

Thyroxin ,[object Object],[object Object]

Thyroid ,[object Object],[object Object],[object Object]

Websites ,[object Object],[object Object],[object Object]

Websites ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Websites ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Websites ,[object Object],[object Object],[object Object],[object Object],[object Object]

B11 Enzymes

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B11 Enzymes