The average estimated cash rent was $202 per acre on top quality land, $161 per acre on average quality land, and $124 per acre on poor quality land. This was an increase in rental rates of 2.0% for top quality land, 1.9% for average quality land, and 2.5% for poor quality land.
R-Group. In solution it is the nature of the amino acid R-groups that dictate structure-function relationships of peptides and proteins.
Proteins ï½ Amino acids ï½ Monomers of proteins ï½ Compounds of nitrogen atoms, oxygen atoms, carbon atoms, and hydrogen atoms ï½ Have an amino group and a carboxyl group ï½ Letâs see what they look likeâ¦. Amino Group NH 2 Carboxyl Group COOH The R Group refers to the ârest ofâ the molecule.