enzymes: “helper” protein molecules
DESCRIPTION
Enzymes: “Helper” Protein molecules . Flow of energy through life. Life is built on chemical reactions. +. +. Chemical reactions of life. Processes of life ______________ molecules ______________ ______________ molecules ______________. enzyme. +. enzyme. +. - PowerPoint PPT PresentationTRANSCRIPT
![Page 1: Enzymes: “Helper” Protein molecules](https://reader036.vdocument.in/reader036/viewer/2022062501/568167f1550346895ddd643f/html5/thumbnails/1.jpg)
2009-2010Regents Biology
Enzymes:
“Helper” Protein molecules
![Page 2: Enzymes: “Helper” Protein molecules](https://reader036.vdocument.in/reader036/viewer/2022062501/568167f1550346895ddd643f/html5/thumbnails/2.jpg)
Regents Biology
Flow of energy through life Life is built on chemical reactions
![Page 3: Enzymes: “Helper” Protein molecules](https://reader036.vdocument.in/reader036/viewer/2022062501/568167f1550346895ddd643f/html5/thumbnails/3.jpg)
Regents Biology
Chemical reactions of life Processes of life
______________ molecules ______________
______________ molecules ______________
+
+
![Page 4: Enzymes: “Helper” Protein molecules](https://reader036.vdocument.in/reader036/viewer/2022062501/568167f1550346895ddd643f/html5/thumbnails/4.jpg)
Regents Biology
Nothing works without enzymes! How important are enzymes?
____________________________________________________________________ building molecules
___________________
breaking down molecules ___________________
__________________________________ “catalysts”
+
+
enzyme
enzymeWe can’t live
without enzymes!
![Page 5: Enzymes: “Helper” Protein molecules](https://reader036.vdocument.in/reader036/viewer/2022062501/568167f1550346895ddd643f/html5/thumbnails/5.jpg)
Regents Biology
Examples __________________
__________________
+
+
enzyme
enzyme
![Page 6: Enzymes: “Helper” Protein molecules](https://reader036.vdocument.in/reader036/viewer/2022062501/568167f1550346895ddd643f/html5/thumbnails/6.jpg)
Regents Biology
Enzymes are proteins ____________________________________
____________________________________ each enzyme needs to be the ___________
for the job enzymes are named for the reaction
they help ___________ breaks down ___________ ___________ breakdown ___________ ___________ breakdown ___________ ___________ builds ___________
Oh, I get it!They end
in -ase
![Page 7: Enzymes: “Helper” Protein molecules](https://reader036.vdocument.in/reader036/viewer/2022062501/568167f1550346895ddd643f/html5/thumbnails/7.jpg)
Regents Biology
Enzymes aren’t used up ____________________________________
used only temporarily re-used again for the same reaction with
other molecules very little enzyme needed to help in many
reactions
____________
____________ ____________
____________
![Page 8: Enzymes: “Helper” Protein molecules](https://reader036.vdocument.in/reader036/viewer/2022062501/568167f1550346895ddd643f/html5/thumbnails/8.jpg)
Regents Biology
It’s shape that matters! _______________________
________________allows enzyme &substrate to fit
____________________________ ____________________________
![Page 9: Enzymes: “Helper” Protein molecules](https://reader036.vdocument.in/reader036/viewer/2022062501/568167f1550346895ddd643f/html5/thumbnails/9.jpg)
Regents Biology
1
2
3
![Page 10: Enzymes: “Helper” Protein molecules](https://reader036.vdocument.in/reader036/viewer/2022062501/568167f1550346895ddd643f/html5/thumbnails/10.jpg)
Regents Biology
Enzyme vocabulary _________________
helper protein molecule _________________
molecule that enzymes work on _________________________
what the enzyme helps produce from the reaction
_________________ part of enzyme
that substrate molecule fits into
![Page 11: Enzymes: “Helper” Protein molecules](https://reader036.vdocument.in/reader036/viewer/2022062501/568167f1550346895ddd643f/html5/thumbnails/11.jpg)
Regents Biology
What affects enzyme action _______________________________
correct order of amino acids _______________________________
_______________________ _______________________________
_______________________ _______________________________
![Page 12: Enzymes: “Helper” Protein molecules](https://reader036.vdocument.in/reader036/viewer/2022062501/568167f1550346895ddd643f/html5/thumbnails/12.jpg)
Regents Biology
Order of amino acids _______________________________________
![Page 13: Enzymes: “Helper” Protein molecules](https://reader036.vdocument.in/reader036/viewer/2022062501/568167f1550346895ddd643f/html5/thumbnails/13.jpg)
Regents Biology
Temperature Effect on rates of enzyme activity
_________________________ greatest number of collisions between
enzyme & substrate human enzymes =
___________________________________ _________________________
_________________________________ _________________________
molecules move slower decrease collisions
![Page 14: Enzymes: “Helper” Protein molecules](https://reader036.vdocument.in/reader036/viewer/2022062501/568167f1550346895ddd643f/html5/thumbnails/14.jpg)
Regents Biology
Temperature
temperature
reac
tion
rate
What’s happening here?!
![Page 15: Enzymes: “Helper” Protein molecules](https://reader036.vdocument.in/reader036/viewer/2022062501/568167f1550346895ddd643f/html5/thumbnails/15.jpg)
Regents Biology
How do cold-blooded creatures do it?
![Page 16: Enzymes: “Helper” Protein molecules](https://reader036.vdocument.in/reader036/viewer/2022062501/568167f1550346895ddd643f/html5/thumbnails/16.jpg)
Regents Biology
pH Effect on rates of enzyme activity
____________________________________ ____________________________________
depends on where in body pepsin (stomach) = pH 3 trypsin (small intestines) = pH 8
![Page 17: Enzymes: “Helper” Protein molecules](https://reader036.vdocument.in/reader036/viewer/2022062501/568167f1550346895ddd643f/html5/thumbnails/17.jpg)
Regents Biology
7
pH
pH
reac
tion
rate
20 1 3 4 5 6 8 9 10
stomachpepsin
intestinestrypsin
What’s happening here?!
11 12 13 14
![Page 18: Enzymes: “Helper” Protein molecules](https://reader036.vdocument.in/reader036/viewer/2022062501/568167f1550346895ddd643f/html5/thumbnails/18.jpg)
2009-2010Regents Biology
For enzymes…What matters?__________!