Question

Mammalian sperm was discovered by:
(a) Hertwig
(b) Karl Von Baer (c) Schwann
What is essential for the motility of the sperm?
d) Spemann​

Answer 1

Answer:

1)Sperm were first observed in 1677 by Antonie van Leeuwenhoek using a microscope.

2)Sperm motility is regulated by several pathways and the most important are the Calcium pathway and the PKA pathway. ... These increase in HCO3 − and pH levels bring to the activation of the CatSper channel, a sperm membrane specific calcium channel.

Explanation:

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