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  • Arabidopsis

    Wild-type and transgenic Arabidopsis plants expressing miR156, a microRNA that promotes juvenility and increases the rate of leaf initiation

  • 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. 

  • 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.

  • 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.

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 Matt Holzer

Matt Holzer, George Mason University
- | DRL 4C4


Unlocking the Secrets of Marine Resilience: A Journey into the Ecophysiology and Reproductive Biology of Corals in a Changing World

Dr. Jaqueline Padilla-Gamiño, University of Washington
- | Leidy Room 10

Global climate change has ushered in profound transformations in marine ecosystems, impacting biodiversity and the livelihoods of communities dependent on them. While previous research has predominantly focused on…



Seminar with Mary Silber

Mary Silber, University of Chicago
- | DRL 4C4