carbohydrate metabolism question

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    • #5662

      the complete oxidation of glucose to CO2 ATPs. What is the fractional energetic cost of

      1. storing glucose as glycogen and later metabolizing the glycogen rather than directly metabolizing the glucose(degradation of glycogen’s branched structure results in degradation to 92% G1P and 8% glucose)

      2. glucose oxidation via pentose phosphate pathway + gluconeogenesis(assume that NADH and NADPH are each energetically equivalent to 3 ATPs)

    • #54506

      hmm…I can think for no 1 is that by condensating those glucose molecules into glycogen inside a cell would help the cell to maintain those glucose keep inside the cell (because glycogen is a huge molecule so, it’s hard to get out from cell).

      Therefore, glycogen condensation is chosen as a pathway for a short-term energy storaging.

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