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  • Archaea

    Haloferax volcanii motility mutants stab-inoculated on a 0.3% agar motility plate. The “halos” and “rings” likely reflect the motility of this archaeon following gradients of attractant or repellent chemicals. 

  • Porphyrogenes peterwegii

     Pupa of the butterfly Porphyrogenes peterwegii "peering" out of its leafy nest with false eyes, which in turn mimic the eyes of a snake, thereby protecting the pupa from small feather-brained  birds.

  • ERK1/2 signaling pathway

     ERK1/2 signaling pathway regulates exocytosis and tumor invasion through phosphorylation of the exocyst complex. 

  • Bacterial Respiratory Complex

    Structural model of a bacterial respiratory complex III: remember that when you respire, your complex III perspires to produce your body's energy.

  • Sea Anemone

Biology is fundamental to our changing world. The 21st century challenge for our students, our scholars, and the greater society is to understand our place in this changing world and to create fundamental knowledge for informed policies, economies, and social structure.

Upcoming Events



Seminar with Arielle Fogel

Dr. Arielle Fogel
- | Leidy 109 & via Zoom


Seminar with Kevin Corbett, Title TBA

Dr. Kevin Corbett, UC San Diego
- | Leidy 109 and Zoom


Seminar with Yi-Wei Chang, Title TBA

Dr. Yi-Wei Chang, UPenn Perelman School of Medicine
- | Leidy 109 and Zoom