Multiple Choice
Referring to the figure of sperm penetration and fusion,match the lettered description with the correct numbered step in the figure.
A. Some of the zona pellucida is degraded by acrosomal enzymes.
B. Enzymes are released by cortical granules that harden the zona pellucida.
C. Sperm and egg fuse at the plasma membrane.
D. Sperm penetrates the corona radiata.
E. The sperm nucleus dissociates and enters the cytoplasm.
F. Additional sperm can no longer penetrate.
-Step III
A) Some of the zona pellucida is degraded by acrosomal enzymes.
B) Enzymes are released by cortical granules that harden the zona pellucida.
C) Sperm and egg fuse at the plasma membrane.
D) Sperm penetrates the corona radiata.
E) The sperm nucleus dissociates and enters the cytoplasm.
F) Additional sperm can no longer penetrate.
Correct Answer:
Verified
Correct Answer:
Verified
Q13: Referring to the figure of sperm penetration
Q14: In the famous Spemann-Mangold experiment,what detail was
Q15: What factors stimulate uterine contractions and birth?<br>A)FSH
Q16: What factor has the strongest influence on
Q17: What is critical to the development of
Q19: Choose the letter of the best match
Q20: What is the period of rapid cell
Q21: When the placenta is delivered,what event allows
Q22: Which of the following are fetal membranes?
Q23: Referring to the figure of sperm penetration