Complete with the correct form of “tener”  or “ser”, as appropriate. Number your answers! 1 ¿ Tú _____________ de Dillon? 2  Nosotros no __________________ carro. 3  ¿Usted ___________el oficial García? 4  Yo _______________ Omar. 5 Ellos __________________ una emergencia médica. 6  ¿Quién ____________ Rita?

Which type of enzyme inhibitor “prepays” the entropic cost of binding substrates?  

                   Which of the following is the product of the reaction above?               

Sulfur substitution for carbon or oxygen often lowers the Kd of a molecule due its more effective:

If a mutant virus is able to avoid antibody binding by mutating one of its coat protein amino acids from an arginine to an aspartate, what amino acid should be substituted in the antibody binding site to compensate and bind the mutant aspartate side chain?

Consider a molecule A that has 3 chiral centers. How many diastereomers exist for A? think carefully. 

62. Give a brief description of the following: A.  Epitope B.  Lysogeny

Identify the writer of the following work: “I’m Nobody, Who are you?”

The departed lover of the narrator in “The Raven” is: 

Identify the writer of the following work: “Annabel Lee”