Kathleen A. Tweeten, PhD

Professor of Biology
Endowed Professor in the Sciences (2003-2006)


  • PhD in Biochemical Virology, 1977
    Kansas State University
  • BS in Bacteriology, 1973
    North Dakota State University 
  • Certificates in Health and Wellness Counseling & Holistic Therapies, 1999 St. Catherine University

Courses Taught

  • Molecular Biology (BIOL 3350)
  • Introduction to Microbiology (BIOL 2200)
  • Immunology (BIOL 3220)
  • Cell Biology (BIOL 2800)
  • Biology of Women (BIOL 1120)
  • General Biology (BIOL 1210)

 Research Interests

  • Cellular and Molecular Mechanisms of Regeneration in freshwater oligochaetes from the Lumbriculus complex
  • Aspects of Sexual Reproduction in Lumbriculus Including Seasonal Variations in Cocoon Production
  • Patterns of Cleavage and Gastrulation in Lumbriculus Embryos
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