01
Experiment Lab
Redi's jars, Needham's broth, Spallanzani's sealed flasks and
Pasteur's swan neck: the classical experiments on spontaneous generation.
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02
Osmosis Lab
Vary external salinity and observe net water movement: turgid,
plasmolysis, crenation and lysis.
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03
Shape Studio
Cocci, bacilli and spirilla; every arrangement from single cells
to staphylo- clusters, followed by a quiz.
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04
Gram Stain Lab
Four steps, two cells: determine where the crystal violet is
retained, and why.
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05
Chemotaxis Runner
Model run-and-tumble movement toward a nutrient source, then
disable chemotaxis and compare.
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06
Endospore Survivor
Apply heat, radiation, chemicals and long-term storage; compare
endospore survival with the vegetative cell.
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07
Transport Doors
Assign CO₂, glucose and K⁺ to the correct transport system and
compare their mechanisms.
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08
Cell Explorer
Inspect every structure of the prokaryotic cell, then test your
knowledge with the Find it exercise.
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