Cells can conduct many tasks, including which of the following?

a. duplicate themselves
b. convert energy
c. selectively exchange materials
d. all of the above

Cells are the basic structural, functional, and biological unit of all known living organisms. Cells of various types have different functions but the generalized cell functions include movement of substances across the cell membrane, cell division to make new cells, and protein synthesis. So, the answer is D, cell can conduct many tasks, including duplicate themselves, convert energy and selectively exchange materials.