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  2. List of Advanced Level subjects - Wikipedia

    en.wikipedia.org/wiki/List_of_Advanced_Level...

    Download as PDF; Printable version; ... This is a list of Advanced Level (usually referred to as A-Level) subjects A ... Human Biology [9] [14] Humanities ...

  3. CT scan - Wikipedia

    en.wikipedia.org/wiki/CT_scan

    Download as PDF; Printable version; ... a level that corresponds to bone). ... to the organ in question Annual background radiation 2.4 [182] 2.4 ...

  4. Wikipedia:Unusual articles - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:Unusual_articles

    If you wish to add an article to this list, the article in question should preferably meet one or more of these criteria: The article is something a reasonable person would not expect to find in a standard encyclopedia. The subject is a highly unusual or ironic combination of concepts, such as cosmic latte, death from laughter, etc.

  5. Bioenergetic systems - Wikipedia

    en.wikipedia.org/wiki/Bioenergetic_systems

    ATP is the only type of usable form of chemical energy for musculoskeletal activity. It is stored in most cells, particularly in muscle cells. Other forms of chemical energy, such as those available from oxygen and food, must be transformed into ATP before they can be utilized by the muscle cells.

  6. Proteomics - Wikipedia

    en.wikipedia.org/wiki/Proteomics

    Robotic preparation of MALDI mass spectrometry samples on a sample carrier. Proteomics is the large-scale study of proteins. [1] [2] Proteins are vital macromolecules of all living organisms, with many functions such as the formation of structural fibers of muscle tissue, enzymatic digestion of food, or synthesis and replication of DNA.

  7. Brain - Wikipedia

    en.wikipedia.org/wiki/Brain

    The brain is an organ that serves as the center of the nervous system in all vertebrate and most invertebrate animals.It consists of nervous tissue and is typically located in the head (cephalization), usually near organs for special senses such as vision, hearing and olfaction.

  8. Cracking (chemistry) - Wikipedia

    en.wikipedia.org/wiki/Cracking_(chemistry)

    In petrochemistry, petroleum geology and organic chemistry, cracking is the process whereby complex organic molecules such as kerogens or long-chain hydrocarbons are broken down into simpler molecules such as light hydrocarbons, by the breaking of carbon–carbon bonds in the precursors.

  9. QR code - Wikipedia

    en.wikipedia.org/wiki/QR_Code

    The QR code system was invented in 1994, at the Denso Wave automotive products company, in Japan. [6] [7] [8] The initial alternating-square design presented by the team of researchers, headed by Masahiro Hara, was influenced by the black counters and the white counters played on a Go board; [9] the pattern of the position detection markers was determined by finding the least-used sequence of ...