To preview image: Click Here Identify the reagents/conditions to perform the following reaction. Read the options carefully, some of the differences are small!

Question 10 (18 pts.) Show how you would synthesize the target compond on the right from the starting compound on the left.  Show reagents and conditions, and the structures of important intermediate compounds.  Do not show any (arrow pushing) mechanisms. To preview image: Click Here  

Question 8 (16 pts.) Give the curved arrow-pushing mechanism for the following base catalyzed reaction. Show where each proton comes from and goes to (no abbreviated +H+/-H+ notation), indicate the Bronsted acids and bases at each step using LB/LB, BA/LA etc., and include all important resonance contributors for the intermediates To preview image: Click Here  

To preview image: Click Here Determine the major organic product of the following reaction. Work it out on paper then compare your answer to those provided.  

Which structure is a biconvex, transparent, flexible, avascular part of the eye that focuses light precisely onto the retina?

Which statement about enteric nervous system organization is correct?

During darkness, cGMP keeps Na+–Ca++ channels open in photoreceptors, creating the:

Touching an eyelash triggers a protective blink. Which structure contains the sensory receptors responsible for this response?

Which part of the eye is the central opening that regulates how much light enters?

Which structure contains capillaries that secrete aqueous humor and anchors the suspensory ligaments of the lens?