× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
T
3
s
3
o
3
G
3
k
3
C
3
a
3
K
3
f
3
j
3
b
3
c
3
Home Q & A Board Biology-Related Homework Help Biochemistry
New Topic  
sophie0209 sophie0209
wrote...
Go to Answer
Posts: 656
Rep: 0 0
6 years ago
What is the limiting substance in the biosynthesis of purines?
 
  a. ribose-5-phosphate
  b. 5-phosphoribosyl- amine
  c. formylglycinamidine ribonucleotide
  d. 5-phosphoribosyl--pyrophosphate (PRPP)
  e. -D-ribose-5-phosphate
Read 59 times
1 Reply
Replies
Answer verified by a subject expert
131231131231
wrote...
#1
Top Poster
Posts: 887
Rep: 3 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

sophie0209 Author
wrote...

6 years ago
Just got PERFECT on my quiz
megan.xo
wrote...

Yesterday
This helped my grade so much Perfect
courtneyrmcd
wrote...

2 hours ago
Brilliant ツ
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  977 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 281
  
 260
  
 218
Your Opinion
Previous poll results: What's your favorite funny biology word?