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  1. The weird and wonderful history of cell theory illuminates the twists and turns that came together to build the foundations of biology. Watch Think Open review body

  2. The theory of magic squares can be considered the first example of a vector space. 165-142 BC: Zhang Cang in Northern China is credited with the development of Gaussian elimination. Number theory and discrete mathematics. c. 500 BC: Hippasus, a Pythagorean, discovers irrational numbers.

  3. Feb 06, 2022 · Single cell evolved to different types of single cells. Few of those single cells aggregated or joined together to form multicellular organisms. This theory is called as symbiosis (sym – together and bios – life) theory, where series of symbiotic events occurred and resulted in different lineage of cells.

  4. This glossary of biology terms is a list of definitions of fundamental terms and concepts used in biology, the study of life and of living organisms.It is intended as introductory material for novices; for more specific and technical definitions from sub-disciplines and related fields, see Glossary of genetics, Glossary of evolutionary biology, Glossary of ecology, and Glossary of scientific ...

  5. Nov 15, 2021 · The leading explanation is the signal detection theory, which at its most basic states that the detection of a stimulus depends on both the intensity of the stimulus and the physical/psychological ...

  6. Cell Wall (plant cells only): Plant cells have a rigid, protective cell wall made up of polysaccharides. In higher plant cells, that polysaccharide is usually cellulose. The cell wall provides and maintains the shape of these cells and serves as a protective barrier. Fluid collects in the plant cell vacuole and pushes out against the cell wall.

  7. Sep 22, 2021 · The cell body, also known as the soma, is the part of a neuron that contains the nucleus and controls cell function. Explore the definition, function, and types of cell bodies and learn about neurons.

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