The R group is what allows amino acids to form macromolecules with different properties. every amino acid has the same basic structure, the only difference is what the R group is made up of. The similarities allow the amino acids to form a chain while the differences allows them to have different functions. Hope this helped!
Answer:
mike could have smokeed and mack could have done alot of atheletic stuff they also could have been born with differneent genes
Explanation:
Hope it will help you ...............
C: if rabbits eat twice their normal amount of food, they will gain weight
