Membrane Structure -
Just how mobile are integral
membrane proteins and phospholipid in the plasma membrane? 
(A complex problem in 6 parts, each containing
video data and related questions.)
Nuclear Function, Gene Replication and Transcription -
Cytoskeleton and Cell Motility –
What’s the role of the
central core in flagellar movement?
How do proteins move
from the ER to the Golgi complex?
What is the
mechanism responsible for rapid vesicular movement in axons?
How do nuclei move in root hairs of Arabidopsis?
Cell Signaling –
What are the fast and slow blocks to
polyspermy in a sea urchin egg , and how is
the release of the egg's cortical granules regulated?