Cellular Respiration – Glycolysis Coy Stoker Axia College  Cellular Respiration - Glycolysis
Cellular Respiration – Glycolysis Stages of Glycolysis: Step 1: ATP “Spent” Step 2: Split Step 3: NAD +  / Phosphate Step ...
<ul><li>Glycolysis is only one segment of cellular respiration (Pruitt, Underwood, 2005). Glycolysis is the most primitive...
ATP “Spent” Cellular Respiration - Glycolysis ATP ATP ADP ADP One phosphate from ATP added leaving ADP One phosphate from ...
<ul><li>During the first step in glycolysis there is actually a loss of two ATP. A phosphate is taken from both ATP in ord...
Cellular Respiration - Glycolysis Split Split Glyceraldehyde Phosphate Glyceraldehyde Phosphate Before After Next Split Fr...
<ul><li>The second step is simply splitting  fructose diphosphate  which makes 2  glyceraldehyde   phosphate . By doing th...
Cellular Respiration - Glycolysis NAD + / Phosphate  Glyceraldehyde Phosphate Glyceraldehyde Phosphate NAD + NADH NAD + NA...
<ul><li>The third step entails harvesting a  hydrogen  molecule from each  glyceraldehyde phosphate  and adding it to NAD ...
Cellular Respiration - Glycolysis ATP Produced 3-Diphosphoglycerate 3-Diphosphoglycerate ADP ATP ATP ADP Glyceraldehyde Ph...
<ul><li>The third step entails harvesting a  hydrogen  molecule from each  glyceraldehyde phosphate  and adding it to NAD ...
References <ul><li>Respiration.  (n.d.) Retrieved January 16, 2007, from BioInquiries Website: </li></ul><ul><li>http://hi...
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Cellular Respiration: Glycolysis

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  • Week 3: Checkpoint 2 Photosynthesis and Cellular Respiration
  • Cellular Respiration: Glycolysis

    1. 1. Cellular Respiration – Glycolysis Coy Stoker Axia College Cellular Respiration - Glycolysis
    2. 2. Cellular Respiration – Glycolysis Stages of Glycolysis: Step 1: ATP “Spent” Step 2: Split Step 3: NAD + / Phosphate Step 4: ATP Produced Cellular Respiration - Glycolysis
    3. 3. <ul><li>Glycolysis is only one segment of cellular respiration (Pruitt, Underwood, 2005). Glycolysis is the most primitive of the types of cellular respiration. Glycolysis does not required oxygen so it is called anaerobic. There are four major steps in glycolysis. The process begins with a molecule of glucose. The glucose molecule is exposed to 2 ATP molecules which results in the glucose molecule picking up two phosphates. The result of this reaction is fructose diphosphate and two ADP molecules. Then fructose diphosphate is split into 2 glyceraldehyde phosphate (Respiration, n.d.). Then a free floating phosphate is added to each molecule of glyceraldehyde phosphate and NAD+ picks up a particle of hydrogen from each molecule of glyceraldehyde phosphate. The result of both of these reactions are 2 3-diphosphoglycerate . Finally both molecules of 3-diphosphoglycerate are exposed to 2 ADP a piece which result in 4 ATP. The net result of glycolysis is 2 ATP and 2 NADH. </li></ul>Cellular Respiration - Glycolysis
    4. 4. ATP “Spent” Cellular Respiration - Glycolysis ATP ATP ADP ADP One phosphate from ATP added leaving ADP One phosphate from ATP added leaving ADP Fructose Diphosphate Before After 2 ATP Spent Next Glucose Phosphate 6 Carbon Glucose Fructose Diphosphate Split
    5. 5. <ul><li>During the first step in glycolysis there is actually a loss of two ATP. A phosphate is taken from both ATP in order to make the resulting fructose diphosphate more reactive. This step also releases two ADP into the cellular plasma which will be used later. </li></ul>Cellular Respiration - Glycolysis
    6. 6. Cellular Respiration - Glycolysis Split Split Glyceraldehyde Phosphate Glyceraldehyde Phosphate Before After Next Split Fructose Diphosphate Glyceraldehyde Phosphate NAD + /Phosphate
    7. 7. <ul><li>The second step is simply splitting fructose diphosphate which makes 2 glyceraldehyde phosphate . By doing this glycolysis is able to double the amount of ATP produced. </li></ul>Cellular Respiration - Glycolysis
    8. 8. Cellular Respiration - Glycolysis NAD + / Phosphate Glyceraldehyde Phosphate Glyceraldehyde Phosphate NAD + NADH NAD + NADH Phosphate Phosphate 3-Diphosphoglycerate 3-Diphosphoglycerate Before After Next -H/+Ph Glyceraldehyde Phosphate 3-Diphosphoglycerate 4 ATPs Produced
    9. 9. <ul><li>The third step entails harvesting a hydrogen molecule from each glyceraldehyde phosphate and adding it to NAD + making NADH, which is used later on in cellular respiration. Also a free floating phosphate is added to glyceraldehyde phosphate to make 2 3-diphosphoglycerate . </li></ul>Cellular Respiration - Glycolysis
    10. 10. Cellular Respiration - Glycolysis ATP Produced 3-Diphosphoglycerate 3-Diphosphoglycerate ADP ATP ATP ADP Glyceraldehyde Phosphate Glyceraldehyde Phosphate ADP ATP ATP ADP Pyruvate Pyruvate ADPs steal four phosphates making four ATPs Before After 3-Diphosphoglycerate Pyruvate
    11. 11. <ul><li>The third step entails harvesting a hydrogen molecule from each glyceraldehyde phosphate and adding it to NAD + making NADH, which is used later on in cellular respiration. Also a free floating phosphate is added to glyceraldehyde phosphate to make 2 3-diphosphoglycerate . </li></ul>Cellular Respiration - Glycolysis
    12. 12. References <ul><li>Respiration. (n.d.) Retrieved January 16, 2007, from BioInquiries Website: </li></ul><ul><li>http://higheredbcs.wiley.com/legacy/college/pruitt/0471473219/bioinquiries/ch10/bioinquiry_section_10_3.html </li></ul><ul><li>Pruitt, P.L., Underwood, L.S. (2005). BioInquiry: Making Connections in Biology. Danvers, MA: Wiley. </li></ul>Cellular Respiration - Glycolysis
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