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why sperms use fructose instead of glucose for metabolism

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  • why sperms use fructose instead of glucose for metabolism

    The glucose pathway is longer than fructose, so as sperms move rapidly this needs rapid source for energy and thus fructose is better than glucose :sm182:

  • #2
    Fructose can maintain as well as glucose the ATP content and motility of spermatozoa at the concentrations found normally in semen.
    Fructose may thus supplement and substitute glucose as energy source, when glucose concentration is too low to give adequate supply of energy. However, no explanation could be given for the different sugar compounds responsible for the energy of human spermatozoa in semen or in cervical canal.

    but in any way, you ask a very good question.
    Thanks

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    • #3
      Sperm doesn't have these enzymes (1) hexokinase; (2) phosphohexose isomerase, so only can use fructose as a source for energy using glycolysis pathway.
      ---------------------------
      الحرية تكتسب ولا تمنح
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      • #4
        It has been proved that spermatozoa contains Hexokinase and other enzymes
        Fructose can maintain as well as glucose the ATP content and motility of spermatozoa at the concentrations found normally in semen.
        Fructose may thus supplement and substitute glucose as energy source, when glucose concentration is too low to give adequate supply of energy.

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        • #5
          :extra33:

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          • #6
            these is a great informations, thxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

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            • #7
              اهلا وسهلا بكم وتحياتي اليكم جميعا

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              • #8
                it is a new information for me

                thank u so much

                وما من كاتـب إلا سيفنى * ويبقي الدهر ما كتبت يداه

                فلا تكتب بكفك غير شيءٍ * يسرك في القيامة أن تـراه

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