More about Enzymes What Affects Enzymes Regents Biology
More about Enzymes: What Affects Enzymes Regents Biology 2006 -2007
What affects how well an enzyme works? § _______________ correct order of amino acids u _______________ u § ______________________________ u ______________________________ Regents Biology
Enzyme concentration § Effect on rates of enzyme activity u as ________ amount of enzyme = _________ how fast the reaction happens § more enzymes = more frequently they collide with substrate Regents Biology
Enzyme concentration reaction rate What’s happening here? ! amount of enzyme Regents Biology
Substrate concentration § Effect on rates of enzyme activity u as ________ amount of substrate = ________ how fast the reaction happens § more substrate = more frequently they collide with enzyme Regents Biology
Substrate concentration reaction rate What’s happening here? ! amount of substrate Regents Biology
Temperature reaction rate What’s happening here? ! temperature Regents Biology
Temperature § Effect on rates of enzyme activity _________________ § greatest number of collisions between enzyme & substrate § human enzymes = __________________________ u § ___________________ § molecules move slower Regents Biology§ decrease collisions u
How do cold-blooded creatures do it? Regents Biology
p. H reaction rate What’s happening here? ! 0 Regents Biology 1 2 3 4 5 6 p. H 7 8 9 10 11 12 13 14
p. H § Effect on rates of enzyme activity u __________________________________ § depends on where in body § pepsin (stomach) = p. H 3 § trypsin (small intestines) = p. H 8 Regents Biology
For enzymes… What matters? SHAPE! Regents Biology 2006 -2007
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