The Discovery of Cells and Cell Theory

These flashcards cover significant discoveries and theories related to the history of cells and cell theory.

Who discovered unicellular organisms in 1674?

Antonie van Leeuwenhoek discovered unicellular organisms in 1674.

What did Robert Hooke first name when observing cork under a microscope?

Robert Hooke first named the structure he observed in cork as 'cells'.

What was the primary use of the special magnifying glasses used by van Leeuwenhoek?

The special magnifying glasses, called 'loops', were used to inspect the quality of fabrics by counting threads.

What did van Leeuwenhoek's lenses allow him to do?

Van Leeuwenhoek's lenses allowed him to achieve magnification up to 500x.

What did Antonie van Leeuwenhoek call the small creatures he discovered?

He called them 'animalcules'.

What was the motto of the Royal Society?

The motto of the Royal Society was 'Take nobody's word for it'.

What important theory did Schwann and Schleiden propose in the 1830s?

They proposed the Cell Theory, stating that all plants and animals are made of cells.

What discovery did Rudolf Virchow present in 1855?

Rudolf Virchow presented the conclusion that 'all cells come from cells'.

What was the outcome of Louis Pasteur's experiment with sterilized broth?

Pasteur's experiment disproved the theory of spontaneous generation.

What did Lorenz Oken contribute to cell theory?

Oken suggested that all organic beings originate from vesicles or cells.