× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
A
6
j
6
c
5
m
5
C
5
d
5
s
5
n
4
i
4
d
4
d
4
J
4
Home Q & A Board Biology-Related Homework Help General Biology
New Topic  
avaasadi avaasadi
wrote...
Go to Answer
Posts: 447
Rep: 0 0
6 years ago
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.

Question 2

Which of the following statements about sperm entry is true?
  a. The fertilization cone formed by microvilli of the egg membrane contracts and draws the
  sperm inward.
  b. The egg phagocytizes the acrosome of the sperm so it can enter the cell.
  c. The cilia on the egg membrane beat and sweep the sperm inside.
  d. The sperm releases calcium ions, which make the egg membrane permeable to its entry.
  e. The egg secretes bindin protein, which allows sperm penetration.
Read 55 times
3 Replies
Replies
Answer verified by a subject expert
nick1028nick1028
wrote...
#1
Posts: 320
Rep: 1 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

avaasadi Author
wrote...
#2
6 years ago
Thank you Jesus, my teacher is bad at explaining
wrote...
#3
6 years ago
Praise the LORD ha ha No worries
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  846 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 6082
  
 805
  
 231
Your Opinion
Which of the following is the best resource to supplement your studies:
Votes: 292
Previous poll results: Does a gender wage gap exist in America?