Top Posters
Since Sunday
o
5
5
b
4
s
3
j
3
b
3
m
3
K
3
g
3
L
3
w
3
m
3
Home Q & A Board Biology-Related Homework Help Medicine Nursing and Clinical
New Topic  
yusuki yusuki
wrote...
Go to Answer
Posts: 2318
Rep: 0 0
9 years ago
Which statement applies to the effects of exposure to harmful substances during embryonic life?
1. During the first two weeks, exposure will usually cause death of the embryo.
2. Organs or body structures may be altered by exposure during the first two months.
3. The effects of exposure depend on the stage of development at the time of exposure.
4. Metabolic abnormalities usually follow exposure to teratogens.
a.   1, 3
b.   2, 4
c.   1, 2, 3
d.   2, 3, 4
Read 1859 times
3 Replies
Replies
Answer verified by a subject expert
monosaccharidemonosaccharide
wrote...
#1
Top Poster
Posts: 3208
Rep: 243 0
9 years ago
Sign in or Sign up in seconds to unlock everything for free

Related Topics

yusuki Author
wrote...
#2
9 years ago
Great!
wrote...
#3
9 years ago
No problemo Smiling Face with Open Mouth
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1319 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 91
  
 322
  
 1104
Your Opinion
Do you believe in global warming?
Votes: 422
Previous poll results: Who's your favorite biologist?