Welcome to Biology Class 8-17-2015 Agenda Whip Around Preassessment Basic Chemistry Anticipation guide for Biochemistry Elements and macromolecules in Organisms Learning packet Word Wall Poster Standards. SB4bExplain the need for the cycling of elements in the ecosystem. SB1 Analyze the relationship between structure and function in living cells. c. Identify the function of the four major macromolecules. Targets: I can identify the function of the 4 major macromolecules. Question of the day Which of the following macromolecules function as a transporter? a. protein b. carbohydrate c. lipid c. nucleic acids