Top Posters
Since Sunday
g
2
2
2
H
2
1
Home Q & A Board Biology-Related Homework Help Cell Biology
New Topic  
...hello ...hello
wrote...
Go to Answer
Posts: 757
Rep: 3 0
8 years ago
Which of the following prevents polyspermy?
A) sealing of the corona radiata and hardening of the zona pellucida
B) sealing of the corona radiata and release of toxins to sperm by the fertilized ovum
C) inactivation of sperm-binding proteins in the zona pellucida and hardening of the zona pellucida
D) release of toxins to sperm by the fertilized ovum and hardening of the zona pellucida
E) inactivation of sperm-binding proteins in the zona pellucida and release of toxins to sperm by the fertilized ovum
Read 181 times
1 Reply
Replies
Answer verified by a subject expert
venuskyvenusky
wrote...
#1
Top Poster
Posts: 2272
Rep: 32 0
8 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

...hello Author
wrote...

8 years ago
Just got PERFECT on my quiz
Lawson1981
wrote...

Yesterday
Good timing, thanks!
zsc999
wrote...

2 hours ago
Thanks
New Topic      
Quick Reply
Bold
Italic
Underline
Strikethrough
Subscript
Superscript
Insert Math Equation
Font Name
Font Color
Align left
Center
Align right
Bullet list
Numbered list
Insert a horizontal rule
Insert a table
Insert a Quote
View source
Explore
Post your homework questions and get free online help from our incredible volunteers
  2244 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Related Images
  
 1102
  
 4645
  
 443
Your Opinion
What percentage of nature vs. nurture dictates human intelligence?
Votes: 452
Previous poll results: Which industry do you think artificial intelligence (AI) will impact the most?