Top Posters
Since Sunday
g
3
3
2
J
2
p
2
m
2
h
2
s
2
r
2
d
2
l
2
a
2
New Topic  
ppk ppk
wrote...
Valued Member
On Hiatus
Posts: 3561
12 years ago
 In a newly fertilized egg, the vitelline layer     
A) reduces the loss of water from the egg and prevents desiccation.
B) opens the egg's nuclear membrane to allow haploid sperm DNA to enter.
C) hardens to form a protective cover.
D) secretes hormones that enhance steroidogenesis by the ovary.
E) provides most of the nutrients used by the zygote.
Read 2670 times
1 Reply
Replies
Answer accepted by topic starter
bio_manbio_man
wrote...
Educator
Top Poster
Posts: 33233
12 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  863 People Browsing
 184 Signed Up Today
Related Images
  
 222
  
 1168
  
 4423
Your Opinion
Which country would you like to visit for its food?
Votes: 204

Previous poll results: Who's your favorite biologist?