Cell Biology and Historical Discoveries

Vocabulary flashcards covering major cell biology milestones, key scientists, and molecular diffusion concepts.

Robert Hooke

Observed wooden cork under a microscope in 1645, observed small chambers in them, and called them small little rooms, which meant cell.

Leavushocks

Observed living cells under a microscope in 1674 from a sample taken from a pond.

Robert Brown

Discovered the nucleus in 1831.

Purkinje

Coined the term protoplasm in 1839.

Schleiden

Formulated cell theory for plant cells during 1839-41.

Schwann

Formulated cell theory for animal cells during 1839-41.

Virchow

Expanded the cell theory in 1855.

Ruska & Max Knoll

Designed the electron microscope in 1931.

Diffusion

A process undergone by molecules like $CO_2$, $H_2O$, and $O_2$, where gaseous diffusion is faster than fluid diffusion.

Osmosis

A transport process involving molecules within the cell, studied alongside diffusion.