Jobs that require a master's degree in biology include those in education, science, medicine, pharmaceuticals, and a host of other technical positions within agriculture and government land management. Your specific duties and responsibilities differ depending on your job. For example, if you are a biology instructor at a community college, your tasks include grading, making assessments, and helping students master the material. On the commercial side, pharmaceutical sales positions require you to have a strong technical knowledge of the products you are selling to other medical professionals. You can also find research positions in which you conduct experiments for a variety of purposes.