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Biology 48 - Human Physiology Lecture 5 Cellular Respiration ...

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Steps in Glycolysis:<br />

1. Glucose “Activation”<br />

<br />

Glucose → 2 (Pyruvate) or Pyruvic Acid<br />

Activated <strong>Cellular</strong> Glucose: “Locked” within cell by :<br />

Phosphate obtained from :<br />

Result:Fructose1,6 Diphosphate<br />

Glycolysis: Requires INITIAL energy investment of :<br />

of :<br />

2. Production of :<br />

C6H12O6+ 2ATP→ 2 (C3H4O3) + 4ATP<br />

For every glucose molecule:<br />

3. Production of :<br />

4 ATP produced<br />

- 2 ATP invested<br />

C 6H 12O 6 + 2ATP→ 2 (C 3H 4O 3) + 4ATP<br />

C 6H 12O 6 → 2 ( C 3H 4O 3 )<br />

4 missing hydrogen atoms ?<br />

C = 6 C (3x2) =<br />

H = 12 H (4x2) =<br />

O = 6 O (3x2) =<br />

Question: What happened to the electrons ? What molecules might be holding them ?

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