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  2. 4 days ago · A mitochondrion ( / ˌmaɪtəˈkɒndriən /; [1] pl.: mitochondria) is an organelle found in the cells of most eukaryotes, such as animals, plants and fungi. Mitochondria have a double membrane structure and use aerobic respiration to generate adenosine triphosphate (ATP), which is used throughout the cell as a source of chemical energy. [2] .

    • Symbiogenesis

      Endosymbiotic theory for the origin of mitochondria suggests...

    • Aerobic Respiration

      Typical eukaryotic cell. Cellular respiration is the process...

  3. 4 days ago · Let's start with the critically important Cell Theory, first articulated in the 1800s. The three main principles are:1. All living things are composed of cel...

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  4. en.wikipedia.org › wiki › Robert_HookeRobert Hooke - Wikipedia

    2 days ago · Robert Hooke FRS (/ h ʊ k /; 18 July 1635 – 3 March 1703) was an English polymath who was active as a physicist ("natural philosopher"), astronomer, geologist, meteorologist and architect. He is credited as one of the first scientists to investigate living things at microscopic scale in 1665, [6] using a compound microscope that he designed. [7]

  5. en.wikipedia.org › wiki › AbiogenesisAbiogenesis - Wikipedia

    1 day ago · The theory of classical irreversible thermodynamics treats self-assembly under a generalized chemical potential within the framework of dissipative systems. [145] [146] [147] The second law of thermodynamics requires that overall entropy increases, yet life is distinguished by its great degree of organization.

  6. 3 days ago · DNA damage theory of aging. 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. Although both mitochondrial and nuclear DNA damage can contribute to aging, nuclear DNA is the main subject of ...

  7. 3 days ago · It explores the diversity and unity of life through the lens of five core concepts: evolution, cell theory, regulation, transmission of information and interconnectedness in biological systems.

  8. 2 days ago · Cell theory. 1. All living organisms are composed of one or more cells. 2. The cell is the basic unit of structure and organization in organisms. 3. Cells arise from ...

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