Molecular and Cellular Biology Bachelor of Science

4 Years On Campus Bachelors Program

University of Arizona

Program Overview

The Bachelor of Science in Molecular and Cellular Biology at the University of Arizona helps students understand how genes, molecules and cells work together to support life, with strong connections to medicine, biotechnology and scientific research. It is a great choice for students interested in healthcare, laboratory research or biotechnology, with opportunities to focus their studies on Molecular and Cellular Biology, Genetics and Human Health, or Systems and Big Data Biology.

Curriculum Structure

Year 1: Students begin by building a strong foundation in the biological and physical sciences through courses such as Introductory Biology I and Introductory Biology II, including laboratory work. They also study foundational chemistry, mathematics and other general education subjects that prepare them for more advanced scientific coursework.

Year 2: Students move into more specialised areas with courses such as Molecular Genetics, Cell & Developmental Biology and Molecular Basis of Life. Alongside these subjects, chemistry, organic chemistry, physics and mathematics help students understand the chemical and physical processes behind biological systems.

Year 3: Students take more advanced Molecular and Cellular Biology courses while beginning to shape their degree around their chosen area of interest. Depending on their focus, they may explore subjects such as Biology of Cancer, Problem Solving with Genetic Tools, Cancer Discoveries, Introduction to Systems Biology and Modeling Human Disease, connecting classroom learning with modern biomedical research.

Year 4: In their final year, students concentrate on advanced coursework, electives and practical experiences related to their chosen area of study. Opportunities in laboratory research, internships or directed research can help students apply their knowledge in real scientific settings while advanced subjects such as Big Data in Biology and Medicine and Genomics can prepare them for careers or further study.

Focus Areas

Molecular and cellular biology, genetics and human health, systems and big data biology, molecular genetics, cell and developmental biology, biochemistry, cancer biology, genomics, bioinformatics, human disease, biomedical research, laboratory research

Learning Outcomes

Students develop a strong understanding of the molecular and cellular processes that control life and learn how to apply this knowledge to biological problems. They gain an understanding of how genes are inherited and expressed, how cells communicate and respond to their surroundings, how molecules and cells interact to produce biological characteristics, how organisms evolve, and how research using model organisms can contribute to scientific discoveries.

Professional Alignment (Accreditation)

The degree provides a strong academic foundation for students planning to enter medical, pharmacy or dental school, as well as those interested in graduate study, biotechnology, laboratory research and healthcare. The University of Arizona is institutionally accredited by the WASC Senior College and University Commission (WSCUC), while no separate professional accreditation specific to the B.S. in Molecular and Cellular Biology is identified.

Reputation (Employability Rankings)

The program provides strong opportunities for research experience, with the department reporting that more than 40% of its undergraduate students participate in laboratory research. The department also reports that around half of its graduates typically continue into graduate or professional schools, while others move into business and industry, demonstrating the degree's strong preparation for both further study and employment.

Experiential Learning (Research, Projects, Internships etc.)

The B.S. in Molecular and Cellular Biology at the University of Arizona gives students opportunities to take their learning beyond the classroom and build practical research skills through laboratory work and faculty-led projects. Students can explore areas such as cancer, neurobiology, heart development and disease, cell signaling, gene expression, RNA biology and genome stability while gaining experience with real scientific research. More than 40% of MCB undergraduate students participate in laboratory research, allowing them to develop skills in experimentation, data analysis, scientific communication and problem-solving.

Students can gain practical experience through a range of research and professional opportunities:

Independent Laboratory Research: Students can work in MCB faculty laboratories and contribute to research projects covering areas such as cancer, neurobiology, cell signaling, gene expression, RNA biology and genome stability.
Directed Research and Independent Study: Students can undertake supervised research or independent study for academic credit, giving them experience with planning and carrying out scientific investigations.
Honors Thesis and Senior Capstone: Eligible students can complete an honors thesis or senior capstone project that involves research and close interaction with a faculty or research mentor.
Individual Research Projects: Students may work independently or as part of research teams, developing skills in laboratory techniques, maintaining research records, analysing results and presenting scientific findings.
Undergraduate Biology Research Program (UBRP): Students can participate in paid, full-time summer research with a faculty mentor and present their research at the annual UBRP conference.
Research Facilities: Students can benefit from University of Arizona research facilities offering specialised resources and technologies for areas such as genetics and genomics, biological mass spectrometry, molecular structures, imaging, flow cytometry, bioinformatics and scientific computing.
Research Mentoring: Students can identify faculty members whose research interests match their own and develop practical experience through mentor-guided laboratory research.
Internship Opportunities: Students can explore biomedical research internships, including opportunities such as the NIH Summer Internship Program in Biomedical Research and the Helios Scholars at TGen Paid Summer Internship.
Collaborative Learning: MCB coursework includes active learning, problem-solving and teamwork, helping students develop the ability to work effectively with others while applying biological concepts to scientific questions.

Facilities and research resources: Students have access to University of Arizona core research facilities that support molecular biology, genomics, proteomics, imaging, mass spectrometry, bioinformatics, and cell and tissue research.

Progression & Future Opportunities

The B.S. in Molecular and Cellular Biology gives graduates a strong foundation for careers in scientific research, healthcare, biotechnology, pharmaceuticals and other life-science fields. The University of Arizona reports that around half of MCB graduates continue into graduate or professional education, while others move directly into business and industry, giving students flexibility in choosing their next step.

Typical career options include Research Associate, Medical Scribe, Data Scientist and Toxicologist, along with opportunities in research, regulatory affairs, computational biology, biotechnology and pharmaceutical industries.

Students can build their career prospects through the university's career services, research opportunities and professional connections:

Career and Internship Support: The MCB department directs students to Handshake for current jobs and internships, while the College of Science Career Center provides support with career planning, internships, résumé and CV development, cover letters, interview preparation and professional networking.
Professional Mentoring: The Wildcat Mentor Society connects students with University of Arizona alumni, helping them develop professional relationships and gain insight into different career paths.
Research Experience: Students can strengthen their employment and graduate-school applications through faculty research, laboratory work, internships and the Undergraduate Biology Research Program.
Graduate Outcomes: The department reports that 36% of MCB graduates since 2017 have continued their education. Among those students, reported pathways include PhD programs, medical school, master's degrees, pharmacy programs and dental school, along with smaller numbers entering law, nursing, MD/PhD and MBA programs.
Employment Opportunities: MCB graduates have gone on to work with organisations such as the University of Arizona, Banner Health, GE Healthcare, Ivy Brain Tumor Center, American Red Cross, Merck and E. & J. Gallo Winery, showing the range of employment opportunities available across research, healthcare and industry.
Career Outcomes: The University of Arizona reports a 74% knowledge rate for the Class of 2025 and indicates that around 9 in 10 students participate in at least one career-related experience during their university studies. A specific starting salary figure for MCB graduates is not published by the department.
Industry Connections: Graduates have entered pharmaceutical, biotechnology, healthcare and research careers, including positions in scientific research, regulatory affairs and data science.
Long-Term Value: The degree can provide the prerequisite foundation for medical, pharmacy and dental school, depending on the requirements of the individual professional program. It also prepares students for advanced study in areas such as molecular and cellular biology, genetics, cancer biology, neuroscience, public health, epidemiology and forensic science.

Further Academic Progression: After completing the B.S., students can continue into master's or PhD programs in molecular and cellular biology, genetics, cancer biology, neuroscience, public health, epidemiology, forensic science and related life-science disciplines. Students interested in healthcare can also progress to medical, dental, pharmacy and other professional programs, while eligible University of Arizona students can pursue the Accelerated Master's Program in Molecular and Cellular Biology to work toward a bachelor's degree and M.S. in a combined five-year pathway.