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![Page 1: €¦ · Web viewOxidative phosphorylation: _____ What is Cellular Respiration? Glycolysis Glycolysis is the first phase of the process of cellular respiration. Once glucose enters](https://reader033.vdocument.in/reader033/viewer/2022060511/5f27e986e6194175c04908f2/html5/thumbnails/1.jpg)
Grade 12 University Biology
Cellular Respiration: GlycolysisSUMMARIZED OVERVIEW
Key Types of Reactions:
Substrate level phosphorylation: ____________________________________________________________
____________________________________________________________
Oxidative decarboxylation: ___________________________________________________________________
___________________________________________________________________
Oxidative phosphorylation: ___________________________________________________________________
___________________________________________________________________
WHAT IS CELLULAR RESPIRATION?Cellular respiration is a biochemical pathway used to produce ATP from GlucoseWrite the general formula for cellular respiration?
Notice that ATP is not a direct product of this process. ATP will be made indirectly via coupled reactions and by using some released energy to create a proton gradient in the mitochondria to power ATP synthase.
GLYCOLYSIS
Glycolysis is the first phase of the process of cellular respiration. Once glucose enters a cell, the process of
glycolysis begins immediately in the ____________________________ where enzymes are waiting.
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Grade 12 University Biology
GLYCOLYSIS I – the Investment phaseWhy is glycolysis I called the investment phase?
_____________________________________________________________________________________________
_____________________________________________________________________________________________
In glycolysis (I) glucose is activated by the addition of phosphate groups from ATP in an enzyme mediate process
called ________________________________________________________
GLYCOLYSIS II – the Pay-off phaseWhy is glycolysis II called the pay-off phase?
_____________________________________________________________________________________________
_____________________________________________________________________________________________
By the end of glycolysis II, glucose has been broken down from _____ carbons to a ____ carbon compound called
_________________________ (also known as ______________________________ ).
*see glycolysis diagram for details of the process, names of intermediates, and types of reactions at each step
THE END RESULT .
In order to keep track of how glucose is modified and rearranged during glycolysis we number each carbon
Summing up glycolysis
Net gain:
What has happened to Glucose?
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Grade 12 University Biology
Write the overall reaction for glycolysis:
• In the cytosol, for each glucose molecule consumed, only 2 ATP were produced
• This means that ________ more ATP are made in the mitochondria! Wowza!
Draw a labelled diagram of the mitochondria in the space below
Pyruvate Oxidation:
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Grade 12 University Biology
The Krebs Cycle:
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Grade 12 University Biology
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Grade 12 University Biology
The Krebs Cycle:
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Grade 12 University Biology