Harold and Kumar are pre-med and pre-pharmacy students, respectively. They complain to their biology professor that they should not have to study about plants because plants have little relevance to their chosen professions. -Kumar, especially, might be well advised to learn more about
A) cell wall components, such as lignins and pectins. B) secondary metabolites. C) accessory photosynthetic pigments. D) sporopollenin. E) the wax of cuticles.