The fast block to polyspermy involves the:a
release of inhibitors of acrosomal enzymes.
b. synthesis of a new sperm-resistant membrane.
c. accumulation of calcium ions in the acrosome.
d. opening of ion channels that change the polarity of the egg membrane.
e. destruction of excess bindin receptors on the sperm.
d
You might also like to view...
In transformation experiments using a variety of Bacteria, it has been noted that essentially all of the cells in a population can become competent
Indicate whether the statement is true or false.
In an active muscle cell, aerobic cellular respiration generates about ________ ATP from one glucose.
a) fewer than 50 b) The number generated depends on whether the end product of aerobic respiration is lactic acid or ethyl alcohol. c) hundreds d) 2
For how many years did the human race rely upon hunting and gathering, with no agriculture?
A) 1,500,000 years B) 1,000,000 years C) 500,000 years D) 250,000 years
Biology is more completely understood using an integrated approach as opposed to a compartmentalized approach
A. true B. false