× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
y
2
m
2
m
2
u
2
m
2
B
2
M
2
e
2
k
2
N
2
y
2
m
2
Home Q & A Board Biology-Related Homework Help General Biology
New Topic  
ridhima14598 ridhima14598
wrote...
Go to Answer
Posts: 491
Rep: 0 0
6 years ago
Adequate intake of ____ by a mother-to-be
  before and during early pregnancy may reduce
  the risk of spina bifida and other serious neural
  tube defects.
  a. carbohydrates
  b. folic acid
  c. calcium
  d. vitamin C
  e. sodium

Question 2

By the eighth week in humans
  a. the embryo looks distinctly human.
  b. the neural tube is complete.
  c. upper and lower limbs have formed, and
  individual fingers and toes have separated
  from each other.
  d. male or female reproductive structures are
  forming.
  e. all of these are true
Read 57 times
1 Reply
Replies
Answer verified by a subject expert
MikestreffMikestreff
wrote...
#1
Posts: 340
Rep: 3 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

ridhima14598 Author
wrote...

6 years ago
Thanks for your help!!
jmelchor77
wrote...

Yesterday
Helped a lot
mikey3091
wrote...

2 hours ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  551 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 1182
  
 414
  
 877
Your Opinion
How often do you eat-out per week?
Votes: 81
Previous poll results: Which industry do you think artificial intelligence (AI) will impact the most?