IN seminal fluid, fructose persent which provide nutrition to sprematozoans. but why and when spermatozoans need it. before ejeculation sertoli cell provide nurition, after ejeculation mitochondria provide energy.
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Solution
Fructose serves as the main source of energy for the sperm before ejaculation. Sertoli cells provide nourishment during spermatogenesis. After spermatogenesis, fructose is the main source of energy for spermatozoa.