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  2. AP Biology - Wikipedia

    en.wikipedia.org/wiki/AP_Biology

    This course is designed for students who wish to pursue an interest in the life sciences. The College Board recommends successful completion of high school biology and high school chemistry [2] before commencing AP Biology, although the actual prerequisites vary from school to school and from state to state.

  3. Columbia University Science Honors Program - Wikipedia

    en.wikipedia.org/wiki/Columbia_University...

    The main portion of the application process is a rigorous, three-hour examination proctored in the Columbia University campus that contains questions in both mathematics and science. The exam is tripartite, consisting of a 50 question "easy" mathematics section, a 75 question survey science section, and a 15 question "challenge" mathematics ...

  4. Photophosphorylation - Wikipedia

    en.wikipedia.org/wiki/Photophosphorylation

    This word is taken from two Greek words, photos, which means light, and synthesis, which in chemistry means making a substance by combining simpler substances. So, in the presence of light, synthesis of food is called 'photosynthesis'. Noncyclic photophosphorylation through light-dependent reactions of photosynthesis at the thylakoid membrane.

  5. Photosynthesis - Wikipedia

    en.wikipedia.org/wiki/Photosynthesis

    Photosynthesis usually refers to oxygenic photosynthesis, a process that produces oxygen. Photosynthetic organisms store the chemical energy so produced within intracellular organic compounds (compounds containing carbon) like sugars, glycogen , cellulose and starches .

  6. Photosynthetic efficiency - Wikipedia

    en.wikipedia.org/wiki/Photosynthetic_efficiency

    Photosynthesis is the only process that allows the conversion of atmospheric carbon (CO2) to organic (solid) carbon, and this process plays an essential role in climate models. This lead researchers to study the sun-induced chlorophyll fluorescence (i.e., chlorophyll fluorescence that uses the Sun as illumination source; the glow of a plant) as ...

  7. Advanced Placement exams - Wikipedia

    en.wikipedia.org/wiki/Advanced_Placement_exams

    Both high school AP teachers and university professors are invited to grade the exams at a predetermined location. When the AP Reading is over for a particular exam, the free response scores are combined with the results of computer-scored multiple-choice questions based upon a previously announced weighting.

  8. California high school biology final includes racist ...

    www.aol.com/news/california-high-school-biology...

    This test question appeared on a Luther Burbank High School biology final in June 2024. Student names were obscured by the sources who provided the images to the Sacramento Bee.

  9. Calvin cycle - Wikipedia

    en.wikipedia.org/wiki/Calvin_cycle

    The Calvin cycle, light-independent reactions, bio synthetic phase, dark reactions, or photosynthetic carbon reduction (PCR) cycle [1] of photosynthesis is a series of chemical reactions that convert carbon dioxide and hydrogen-carrier compounds into glucose. The Calvin cycle is present in all photosynthetic eukaryotes and also many ...

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