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Hooke was the first scientist to discover cells. He contributed the study of cells while looking at a thin slice of cork
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Leeuwenhoek was the first scientist to observe cells under a microscope. Leeuwenhoek is considered the father of microbiology.
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Schleiden was known for discovering the cell theory.
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Discovered the enzyme pepsin glial cells in nerves. He also identified the role microorganisms play in alcohol fermentation
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Virchow discovered that cells are created from the division of cells, described as "every cell originates from another existing cell".
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Mendel discovered the basic principles of heredity through experiments in his garden.
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Was the first person to use the term genetics. He also recognized the work of Gregor Mendel.
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Punett discovered with bateson linkage, sex determination, sex linkage, and also an example of autosomal linkage.
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Griffith discovered what he called a "transforming principle" that caused inheritance.
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Lewis discovered the covalent bond and his concept of electron pairs.
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Crick and Watson worked together and announced that they have determined the double-helix structure of DNA, the molecule containing human genes.
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Krebs discovery in living organisms of the series of chemical reactions known as tricarboxylic acid cycle (also called the critic acid cycle, or Krebs cycle
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Discovered that DNA is the material of which gene's and chromosomes are made.
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Discovered the double-helix structure of the DNA molecule along with Francis Crick