Title: Counting the Number of Yeast Cells in a Suspension using Haemocytometer Objective: To estimate the number of cells of yeast per mm3 in five different dilutions of yeast suspension. Introduction: Biologists often need to count the density of cells in a liquid. “Density of cells” means “the number of cells per unit volume of liquid”. For example‚ they might want to find out the density of red blood cells in blood plasma‚ the density of bacteria in milk‚ or the population of Paramecium sp
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T.O.K Task: Discuss the problems of induction and give examples. You must include one example from your own learning experience. It would be an example you examined in one of your subjects‚ or it could be from personal experience. I think the first question we shall ask ourselves is: what is induction? Induction is the process of taking into consideration general observations or personal experiences and state them as general beliefs. On the other hand‚ deduction is made of general statements
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“That which is accepted as knowledge today is sometimes discarded tomorrow” Consider knowledge issues raised by this statement in two areas of knowledge There are two ways of accepting knowledge‚ one which can be collective acceptance as a general public and another is personal acceptance. In the question‚ it claims that knowledge‚ which is justified true belief according to Plato‚ regarded in a system of facts‚ can be accepted today and then discarded tomorrow. We can accept things as a fact
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Bringing TOK into everyday subject teaching Obtained from experienced TOK teachers working in specialist subject groups at the Madrid TOK conference November 2003. Compiled by Geoffrey Neuss Swedish A1 (Reporter: Håkon Kjellin‚ Täby Gymnasium‚ Sweden Hakan.Kjellin@tibble.taby.se) Interpretation: • Are there correct and incorrect interpretations? Or is relativism absolute when interpreting texts? Is there such a thing as over-interpretation? • What factors – individual psychological
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Question: “It is more important to discover new ways of thinking about what is already known than to discover new data or facts. To what extent would you agree with this claim?” According to the Miriam-Webster dictionary‚ data can be defined as factual information used as basis for reasoning‚ discussion‚ or calculation. By the same dictionary‚ fact is defined as a piece of information presented as having objective reality. In this essay‚ it is vital to distinguish that the issue the question
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“The possession of knowledge carries an ethical responsibility”- Tanmay Dhanopia 11th C As we all know that possession of knowledge carries an ethical responsibility‚ sometimes both ethical responsibility and knowledge confuses us in making certain decisions. One fine morning I was sitting in my house’s balcony enjoying the lovely weather‚ I started reading a newspaper whose headline which was “the improvement in cosmetics by animal testing” attracted me as the whole article was providing details
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Mathematics Notes Introduction: * Characterized as a search for abstract patterns * The fact that if you take two of anything and another two you end up with four of that thing * Any circle no matter the size‚ if you take its circumference divide in by its diameter you end up with the value 3.14… * Mathematics not only gives certainty but practical value * Galileo: book of nature is written in mathematics * Mathematics also “leaves us with nowhere to hide” because
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“To what extent is our knowledge in science certain?” People usually become certain of things after they have been proven to be true. The question we ask ourselves is: “To what extent is our knowledge in science certain?”. Well we may not be a hundred percent sure that what we know is true‚ yet when it comes to facts that have been proven by scientists‚ people do believe them‚ as they are perceived to be a worthy source of information‚ especially when experiments come along the observation with
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3. ”The possession of knowledge carries an ethical responsibility”. Evaluate this claim (notes) Key words: Knowledge‚ ethical responsibility‚ evaluate - Evaluate = explore to what extent the statement is true given different interpretations of knowledge and the idea of ethical responsibility + evaluate the statement in contexts of ways of knowing and areas of knowing - Ethical responsibility = refers to the idea that you should do something to correct a harmful situation or prevent harm from
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The problem of Induction – Induction Science is supposed to be an empirical discipline which makes no claims beyond what has been observed. Therefore we have a dillema we could refuse to make any claims beyond what we observe and retain the idea of empirical science or we could defend the right of scientist to reason from the particulae to the genréral and accept that science is not strictly empirical. We could defend the right of science to reason from a particular to the general and accept
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