Biomolecules Question 216
Question: Which of the following substances is not present in nucleic acids-
Options:
A) Cytosine
B) Adenine
C) Thymine
D) Guanidine
Show Answer
Answer:
Correct Answer: D
Solution:
[d] Guanidine, $ H_2N-\overset{NH}{\mathop{\overset{||}{\mathop{C}}}}-NH_2 $ , is neither a purine nor a pyrimidine base