Top Posters
Since Sunday
w
5
a
3
j
2
a
2
t
2
u
2
r
2
j
2
j
2
l
2
d
2
y
2
Home Q & A Board Biology-Related Homework Help Biochemistry
New Topic  
mikael mikael
wrote...
Go to Answer
Donated
Posts: 12017
Rep: 103 2
10 years ago
Which are purines?
A) Adenine and thymine.
B) Guanine and adenine.
C) Cytosine and thymine.
D) Uracil and guanine.
Read 452 times
2 Replies
Replies
wrote...
#1
10 years ago
b.) a&g
Answer accepted by topic starter
prowd2beloud147prowd2beloud147
wrote...
#2
Posts: 8
Rep: 0 0
10 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1164 People Browsing
 124 Signed Up Today
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 305
  
 349
  
 328
Your Opinion
What percentage of nature vs. nurture dictates human intelligence?
Votes: 436
Previous poll results: Who will win the 2024 president election?