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:
D.  more, faster
Explanation:
The more surface area exposed the faster the weathering occurs.
 
        
             
        
        
        
In my opinion, the correct answer among the choices listed is option C. The members of the kingdom Protista are least similar to a bacteria. Protists are eukaryotic organisms which cannot be classified as a fungus, animal, or a plant. They are mostly unicellular organisms.
        
             
        
        
        
Deadly diseases ;) Glad to help!!
        
             
        
        
        
Answer:
vestigial structure that is C