A protein binds substrates A and B and catalyzes the reaction which produces the products D and E. Either substrate A or B may bind first. After both substrates are bound, either product D or E may be released first. This is an example of which type of reaction?

What type of chemical reaction results in the joining of amino acids to form a peptide chain?

What is the name of the sugar pictured?

Which of the following fatty acid features would contribute most to increasing van der Waals interactions between fatty acids and lead to a higher melting point?

Enzyme X requires ATP and is able to catalyze a condensation reaction to form C-C bonds. To which enzyme class does Enzyme X belong?

What is the pOH of a solution if [H+] = 0.00001 M?

A buffer consists of 0.5 M acetic acid (pKa = 4.76) and 0.03 M sodium acetate. What is the pH of this buffer, and does the solution have good buffering capacity?

A region of an antigen which is recognized by an antibody is the:

What is the technique on which the Watson-Crick DNA structural model was based?

In the figure of a DNA molecule, one of the ends has been labeled 5’. Indicate how the remaining positions should be labeled.[Answers shown below indicate A, B, C ends, denoted in exactly that order.]