Differences in the structure of protein molecules affect how they connect to other protein molecules. What can this lead to?

A. Same traits

B. Different traits

C. Cell reproduction

D. Nothing at all

Why may some young adults go through a quarter-life crisis? a. they are entering middle age and feel distressed about growing old. b. they feel insecure about themselves and their future. c. they have been promoted to more secure, better-paying jobs. d. they have developed more stable personal relationships.