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22 hours ago · This theory held that "lower" animals such as insects were generated by decaying organic substances, and that life arose by chance. This was questioned from the 17th century, in works like Thomas Browne's Pseudodoxia Epidemica. In 1665, Robert Hooke published the first drawings of a microorganism.
3 days ago · Later scientists, such as Antonie van Leeuwenhoek and Robert Hooke, used Janssen’s invention to make significant discoveries about cells. Van Leeuwenhoek, known as the “Father of Microbiology,” was the first to observe bacteria, protozoa, spermatozoa, and rotifers, while Hooke discovered and named the cell.
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5 days ago · Cell theory states that the cell is the fundamental structural and functional unit of living matter. In 1839 German physiologist Theodor Schwann and German botanist Matthias Schleiden promulgated that cells are the “elementary particles of organisms” in both plants and animals and recognized that some organisms are unicellular and others ...
5 days ago · Publication date. January 1665. Micrographia: or Some Physiological Descriptions of Minute Bodies Made by Magnifying Glasses. With Observations and Inquiries Thereupon. is a historically significant book by Robert Hooke about his observations through various lenses.
2 days ago · III. CELLS AND TISSUES a. CELLS • Robert Hooke (1600) - was looking through a primitive microscope at sokme plant tissue- cork. − He saw some cube-like structures that reminded him of the long rows of monk’s rooms (cells) at the monastery.
5 days ago · Cell theory:->Cell theory is the universally accepted theory.->Cell theory was formulated by Matthais Schleiden (botanist) and Theodore Schwann (zoologist).->They both gave the two postulates of the cell theory. ->The third postulate of cell theory was given by Rudolf Virchow. Postulates of cell theory:->There are three postulates of cell theory.
4 days ago · Theory. Tissue culturing as a technique was first used almost 100 years ago to elucidate some of the most basic question in the developmental biology. Cell culture is an exceedingly precious tool for investigators in numerous fields. The animal cell was first introduced by Ross Harrison in 1907.
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