Macromolecules have many functions within the body. Which of the following correctly lists the functions that lipids serve in the body?
A. Energy production through photosynthesis, cellular respiration, vitamin storage in membranes
B. Energy storage in hydrophobic molecules, cell membrane structure, signaling between cells
C. Hydrogen-bond formation, amino acid production, rigidity in cell membrane
D. Increasing reaction rates, molecule breakdown, enzyme production