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  2. SAT Subject Test in Biology E/M - Wikipedia

    en.wikipedia.org/.../SAT_Subject_Test_in_Biology_E/M

    Of all SAT subject tests, the Biology E/M test was the only SAT II that allowed the test taker a choice between the ecological or molecular tests. A set of 60 questions was taken by all test takers for Biology and a choice of 20 questions was allowed between either the E or M tests. This test was graded on a scale between 200 and 800.

  3. AP Biology - Wikipedia

    en.wikipedia.org/wiki/AP_Biology

    Russian Language and Culture (discontinued 2010) v. t. e. Advanced Placement (AP) Biology (also known as AP Bio) is an Advanced Placement biology course and exam offered by the College Board in the United States. For the 2012–2013 school year, the College Board unveiled a new curriculum with a greater focus on "scientific practices".

  4. Chromosomal crossover - Wikipedia

    en.wikipedia.org/wiki/Chromosomal_crossover

    Chromosomal crossover, or crossing over, is the exchange of genetic material during sexual reproduction between two homologous chromosomes ' non-sister chromatids that results in recombinant chromosomes. It is one of the final phases of genetic recombination, which occurs in the pachytene stage of prophase I of meiosis during a process called ...

  5. Biology - Wikipedia

    en.wikipedia.org/wiki/Biology

    Biology is the scientific study of life. [ 1 ] [ 2 ] [ 3 ] It is a natural science with a broad scope but has several unifying themes that tie it together as a single, coherent field. [ 1 ] [ 2 ] [ 3 ] For instance, all organisms are made up of cells that process hereditary information encoded in genes , which can be transmitted to future ...

  6. History of biology - Wikipedia

    en.wikipedia.org/wiki/History_of_biology

    The history of biology traces the study of the living world from ancient to modern times. Although the concept of biology as a single coherent field arose in the 19th century, the biological sciences emerged from traditions of medicine and natural history reaching back to Ayurveda, ancient Egyptian medicine and the works of Aristotle, Theophrastus and Galen in the ancient Greco-Roman world.

  7. SAT Subject Tests - Wikipedia

    en.wikipedia.org/wiki/SAT_Subject_Tests

    SAT Subject Tests were a set of multiple-choice standardized tests given by The College Board on individual topics, typically taken to improve a student's credentials for college admissions in the United States. For most of their existence, from their introduction in 1937 until 1994, the SAT Subject Tests were known as Achievement Tests, and ...

  8. Multiple choice - Wikipedia

    en.wikipedia.org/wiki/Multiple_choice

    Multiple choice. Multiple choice (MC), [1] objective response or MCQ (for multiple choice question) is a form of an objective assessment in which respondents are asked to select only correct answer from the choices offered as a list. The multiple choice format is most frequently used in educational testing, in market research, and in elections ...

  9. Cell biology - Wikipedia

    en.wikipedia.org/wiki/Cell_biology

    Category. v. t. e. Cell biology (also cellular biology or cytology) is a branch of biology that studies the structure, function, and behavior of cells. [1][2] All living organisms are made of cells. A cell is the basic unit of life that is responsible for the living and functioning of organisms. [3] Cell biology is the study of the structural ...

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