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!
Matter is anything that has mass. everything has matter, even the air.
The companies are looking for minerals to make money and keep their business growing
Explanation:
meiosis help organism to replace worn out tissues
