Instructions for Part II: Write an essay that answers the following question on the pages provided. If more space is needed, feel free to use the back of these pages, but make clear where the answers are. Diagrams are acceptable only if accompanied by a clear explanation (40% of examination grade). Proteins are critical molecules for living systems. They vary extensively in terms of their structure and function.
a. Describe the levels of structure of proteins.
b. List two cellular structures involved in protein synthesis or processing and briefly describe the role they play.
c. Give a descriptive example of a human health disorder where a single amino acid change results in a nonfunctional protein.