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:
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why sperms use fructose instead of glucose for metabolism
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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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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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