If you are using this exam for practice, make a real and honest effort to answer all the questions before you consult the key . Questions 2 and 3 refer to the structure of the amino acid glycine, H 2 NCH 2 CO 2 H. 2. Draw the single most stable stereoisomer and conformation of 2-bromocyclohexanol, shown below. Explain why phenol is more acidic than cyclohexanol. Use three-dimensional sketches of the molecules to illustrate your explanation.
Water is a two-electron ligand.
Briefly explain your reasoning. Questions 9 and 10 refer to the carbohydrate shown below. Briefly explain your answer to the previous question. Very briefly list the features that characterize each level of protein structure. Briefly explain how the number of noncovalent interactions between the enzyme and substrate influence the enzyme-substrate binding constant.