The development of the cell theory involved a. different ideas from different scientists. b. the efforts of one scientist. c. work with computer models. d. complete agreement among scientists. the invention of the microscope made it possible for scientists to a. create new types of cells. b. examine and describe cells. c. copy genetic material. d. develop unique chemicals. which cell part contains directions for cell growth and reproduction? a. cell wall b. plasma membrane c. nucleus d. pores