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  2. Closed-ended question - Wikipedia

    en.wikipedia.org/wiki/Closed-ended_question

    A study by the University of Cincinnati found 20 to 40 percent of Americans will provide an opinion when they do not have one because of social pressure, using context clues to select an answer they believe will please the questioner. A classic example of this phenomenon was the 1947 study of the fictional Metallic Metals Act. [2]

  3. 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 composed of at least one cell that processes hereditary information encoded in genes, which

  4. Research question - Wikipedia

    en.wikipedia.org/wiki/Research_question

    When the research is complete and the researcher knows the (probable) answer to the research question, writing up can begin (as distinct from writing notes, which is a process that goes on through a research project). In term papers, the answer to the question is normally given in summary in the introduction in the form of a thesis statement.

  5. Multiple choice - Wikipedia

    en.wikipedia.org/wiki/Multiple_choice

    Multiple choice items consist of a stem and several alternative answers. The stem is the opening—a problem to be solved, a question asked, or an incomplete statement to be completed. The options are the possible answers that the examinee can choose from, with the correct answer called the key and the incorrect answers called distractors. [4]

  6. Quizlet - Wikipedia

    en.wikipedia.org/wiki/Quizlet

    Quizlet was founded in October 2005 by Andrew Sutherland, who at the time was a 15-year old student, [2] and released to the public in January 2007. [3] Quizlet's primary products include digital flash cards , matching games , practice electronic assessments , and live quizzes.

  7. Biochemistry - Wikipedia

    en.wikipedia.org/wiki/Biochemistry

    These can be inorganic (for example, water and metal ions) or organic (for example, the amino acids, which are used to synthesize proteins). [7] The mechanisms used by cells to harness energy from their environment via chemical reactions are known as metabolism. The findings of biochemistry are applied primarily in medicine, nutrition, and ...

  8. Experiment - Wikipedia

    en.wikipedia.org/wiki/Experiment

    Most often the value of the negative control is treated as a "background" value to subtract from the test sample results. Sometimes the positive control takes the quadrant of a standard curve. An example that is often used in teaching laboratories is a controlled protein assay. Students might be given a fluid sample containing an unknown (to ...

  9. Biomechanics - Wikipedia

    en.wikipedia.org/wiki/Biomechanics

    Page of one of the first works of Biomechanics (De Motu Animalium of Giovanni Alfonso Borelli) in the 17th centuryBiomechanics is the study of the structure, function and motion of the mechanical aspects of biological systems, at any level from whole organisms to organs, cells and cell organelles, [1] using the methods of mechanics. [2]