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Who was Robert Brown and what did he discover?
Although Scottish botanist Robert Brown (1773-1858) was responsible for discovering the nucleus of a cell, he is perhaps best known for his discovery of the random movement of microscopic particles in a surrounding solution, later referred to as “Brownian motion.” He also developed alternative plant classification …
What was Robert Hooke’s contribution to science?
Robert Hooke (1635-1703) is an English physicist. He contributed to the discovery of cells while looking at a thin slice of cork. He then thought that cells only exist in plants and fungi. In 1665, he published Micrographia.
How did Robert Brown contribute to the atomic theory?
The first truly direct evidence of atoms is credited to Robert Brown, a Scottish botanist. In 1827, he noticed that tiny pollen grains suspended in still water moved about in complex paths. This can be observed with a microscope for any small particles in a fluid.
What do we called the first organelle discovered and named by Robert Brown in 1833?
the cell nucleus
In a paper read to the Linnean society in 1831 and published in 1833, Brown named the cell nucleus.
What is invented by Robert Brown?
Robert Brown was a Scottish Botanist who was responsible for discovery of the nucleus of the cell and he is responsible for discovering the Brownian motion which is the random movement of microscopic particles.
What did Robert Brown experiment with?
Brownian Motion
In 1827, the Scottish botanist Robert Brown looked through a microscope at pollen grains suspended in water, and discovered what we now call Brownian Motion. It was an unintentional discovery.
What are the discoveries of Robert Brown?
What did Robert Brown invent?
How did Robert Brown contribute to cell theory?
Robert Brown contributed to cell theory by showing the radical motion of molecules within a cell under the light of a microscope.
What did Robert Brown do for a living?
Robert Brown was a botanist who studied every aspect of plant life, from the way that plants grow to the way that their cells work together. He used microscopes in a way that nobody had used them previously.
How did Robert Brown become interested in botany?
In 1798, on a visit to London, he met botanist Sir Joseph Banks, who had taken part in Captain James Cook’s first great voyage, and through him became an associate of the famous Linnean Society. Brown returned to Ireland and was now accepted as a naturalist which opened doors for him to explore and pursue his love for botany.
What kind of motion did Robert Brown describe?
He described Brownian motion, the movement of small particles in solution, which is named after him and he described and named the plant cell nuclei. He was the first to recognize the difference between gymnosperms (conifers) and angiosperms (flowering plants).