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How many molecules of pyruvic acid are produced at the end of glycolysis from 206 molecules of glucose?
APPLY COMPETENCY 4 Marks
Concept Application
50%
Calculation / Logic
50%
Target Level
MEDIUM
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Q: How many molecules of pyruvic acid are produced at the end of glycolysis from 206 molecules of glucose?

Question Analysis & Solution

Detailed Solution

Step 1: Understand the Glycolysis Stoichiometry

Glycolysis is the metabolic pathway that converts glucose into pyruvate. The balanced chemical equation for the breakdown of one molecule of glucose is: $$C_6H_{12}O_6 + 2NAD^+ + 2ADP + 2P_i \rightarrow 2 \text{ Pyruvic Acid} + 2NADH + 2H^+ + 2ATP$$ From this, we establish that 1 molecule of glucose yields 2 molecules of pyruvic acid.

Step 2: Apply the Calculation

Given that we have 206 molecules of glucose, we multiply the number of glucose molecules by the yield factor of 2: $$206 \times 2 = 412$$

Final Answer: 412

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