<prompt> Which of the following is not seen during capacitation?Increased permeability to calciumDecreased permeability to calciumRemoval of cholesterol from acrosomeIncreased motility  <response>: Capacitation is the penultimate step in the maturation of mammalian spermatozoa and is required to render them competent to feilize an oocyte. This step is a biochemical event; the sperm move normally and look mature prior to capacitation. Ref: guyton and hall textbook of medical physiology 12 edition page number:651,652,653 