Word: kirichock
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...away from eggs, their flagella beat steadily with sinusoidal motions. However, for fertilization to occur, the sperm need to be hyper-activated. Hyper-activated sperm swim with vigorous, whip-like motions that gives them the force they need to penetrate the protective membrane of the eggs. Prior to Kirichock and Navarro’s research, which was published in the February 9 issue of the scientific journal Nature, the cause of this hyper-activation was unknown...
According to Kirichock, data on sperm physiology has long suggested that ion channels located on the sperm’s plasma membrane played a key role in determining sperm motility and sperm-egg interactions, and scientists have been unsuccessfully trying to measure the activity of those ion channels since...
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