Margie wants to become a biotechnology r& d professional. she reads about career options on a website. choose the correct way to complete each sentence. most biotechnology r& d careers require ( at minimum. exciting career options in biotechnology r& d include becoming a ( , which involves conducting research on very tiny organisms that are only visible under powerful microscopes. (1.) a. a master's degree b. an associate's degree c. a doctoral degree (2.) a. biological engineer b. physiologist c. microbiologist