Which of the following is/are among the changes sperm may undergo once they enter the female reproductive tract? (Select all correct choices.)
A. changes in the fluidity of the plasma
membrane
B. loss of surface membrane proteins
C. changes in membrane potential
D. increased motility
E. release of enzymes from the acrosome
A,B,C,D,E
You might also like to view...
Respiration is called aerobic because ________.
A. it happens in the absence of oxygen B. it requires oxygen C. it happens in mitochondria D. it requires carbon dioxide
One botulinum toxin produced by the bacterium Closteridium botulinum prevents microfilaments from forming in affected cells. If a Physarum cell were exposed to that chemical, would you expect to see cytoplasmic streaming? Explain
What will be an ideal response?
Pr strongly absorbs light having a wavelength of 730 nm. Indicate whether the statement is true or false
What becomes more likely to occur in a small population? Check all that apply.
A. the Allee effect B. increased genetic diversity C. extinction vortex D. increased genetic drift E. increased edge effect