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5 days ago · Background: The cell Robert Hooke (1635-1703), by microscope, he observed for frst time a coined structure that he called “the cell” Rene Dutrochet (1824) discovered that the cell is the fundamental element in the structure of living bodies, forming both animals and plants.
3 days ago · Telocytes are a unique interstitial cell type that functions in adulthood and embryogenesis. They have characteristic immunohistochemical phenotypes while acquiring different immunohistochemical ...
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 ...
2 days ago · Cell division occurs rapidly in growing root tips of sprouting seeds or bulbs. The most commonly used root tips in labs to study mitosis are onion, wheat, lentil, barley and alfalfa. An onion root tip is a rapidly growing part of the onion and thus many cells will be in different stages of mitosis.
4 days ago · Objective: To analyze the morphology of cells using an online image processing program. Theory: Morphological analysis is important to study the cellular organization and the physiological state of the cells, and thus it can be commonly used as a qualitative and quantitative measure of various biological assays.
5 days ago · Chapter 3: The Cell. 3.1 What Is a Cell? 3.2 Cell Theory; 3.3 Looking at Cells; 3.4 The Eukaryotic Cell; 3.5 The Cell Membrane; 3.6 Cell Organelles; 3.7 LE: Geologic Time; 3S Chapter Summary; 3Q Chapter Questions; Chapter 4: How Cells Work. 4.1 Cellular Transport; 4.2 Cell Communication; 4.3 ATP and Chemical Reactions; 4.4 Enzymes; 4.5 ...
2 days ago · The DNA damage theory of aging proposes that aging is a consequence of unrepaired accumulation of naturally occurring DNA damage. Damage in this context is a DNA alteration that has an abnormal structure.
