3 Questions
What did Robert discover?
Microscopic cells
What can be said about the size of cells?
They are extremely small
What is the nature of the cell structures?
Simple and single-layered
Study Notes
Cell Discovery and Characteristics
- Robert Hooke discovered cells in 1665, using a microscope to observe the structure of cork tissue.
- The size of cells varies, but most cells are between 1-100 micrometers (μm) in diameter, with some cells, like nerve cells, being several centimeters long.
- Cell structures are membrane-bound organelles that perform specific functions, such as the nucleus, mitochondria, and ribosomes, which are suspended in the cytoplasm.
Test your knowledge about Robert's discovery of cells, their size, and structures.
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