Which part of an amino acid is the only one that varies and is what defines its properties? A. The amino group B. The R group C. The carboxylic acid group D. The nitrogen base
Answer:
B. The R group
Explanation:
The R group is the part of an amino acid and is the only one that varies and is what defines its properties.
interneuron.
The interneuron is most likely to be located entirely within the central nervous system.
the answer is A its the heart