This pianist was an important part of the revolution in the 1940’s and 1950’s that created modern jazz.  His influence was largely through his more famous students, who were some of the most important figures in the “Cool Jazz” style. 

This pianist/composer was known as an eccentric, mysterious, underground figure. He led the legendary jam sessions at Minton’s Playhouse which helped to give birth to Bebop.  

Identify the musician: Audio 

This arranger composer emerged from the Bebop era to become one of the greatest composer/arrangers of modern jazz.  He was influenced by Mary Lou Williams and his study of film.

If the pKa of the side chain of an amino acid is 12.5. The ratio of deprotonated to protonatedspecies at pH of 10.5 is

The pKa value of the side chain of the amino acid, Threonine, is 

Please use a blank sheet of paper for this problem and scan it and upload it right after the exam.   For the polypeptide sequence, His-Lys-Ala-Phe a. Draw the chemical structure of this polypeptide. (4 points) b. Circle the N and C termini of this peptide. (2 points) c. If this peptide His-Lys-Ala-Phe is treated with trypsin, draw the final products. Draw the actual chemical structures of the products for full points. (4 points)

The net charge (including all the groups) on the amino acid, Lysine at a pH of 6, is

The net charge (including all the groups) on the amino acid, Selenocysteine at pH of 5.7, is

The relationship between fractional occupancy ( ), free drug (Dfree) and binding constant (Kd) is. You can type here or upload your work.