IB Biology Lab – Vitamin C content of food Aim: To compare the vitamin C content of different fruits using the decolourisation of DCPIP from blue to clear as the indicator. • You first need to estimate the volume of a known concentration of vitamin C solution required to decolourise 2 cm3 of DCPIP solution. • Then you need to determine the volume of fruit juice that decolourises 2 cm3 of DCPIP solution. This gives an estimate of the concentration of vitamin C in fruit juice. • This
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lives. There have been studies that show that people who are abused by their peers are at risk for serious problems (Murillo C.‚ 2008). These problems include low self esteem‚ stress‚ depression or anxiety and even in the worst cases‚ suicide. Sloane Molloy‚ a guidance counselor at Glynn Middle School‚ states “It can escalate to violence when left unchecked” (Murillo C.‚ 2008). Besides the students the school is also affected by bullying. Many schools are fighting back against bullying. There
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To begin with‚ e.e cummings always wanted to be a poet. As a child his mother would read and write with him. E.E Cummings was a very creative child and had a lot of potential. Eventually‚ E.e Cummings grew up and started writing poems. Some of his poems ended up in an anthology named “eight Harvard poets”. Also‚ some other poems ended up getting published in “the dial”. An interesting quote that he wrote said “so far as I am concerned‚ poetry and every other art was‚ is‚ and forever will be strictly
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Investigating the vitamin C content of fruits and fruit juice Aim: In this investigation‚ I aim to measure and compare whether there is a higher content of vitamin C in a fruit or a juice by measuring the volume of the sample required to decolourise a solution of dichlorophenolindophenol (DCPIP). Introduction: For this experiment‚ I aim to investigate and compare the content of vitamin C in the fruit against the fruit juice. The theory of this method is a titration with dichlorophenolindophenol
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I/O Library Header Files: There are following header files important to C++ programs: The standard output stream (cout): The predefined object cout is an instance of ostream class. The cout object is said to be "connected to" the standard output device‚ which usually is the display screen. The cout is used in conjunction with the stream insertion operator‚ which is written as << which are two less than signs as shown in the following example. -------------------------------------------------
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Many people have never heard of C-ASIST and are always amazed to hear what they do for the community. I now have an ‘elevator speech’ prepared for when people ask what it is. I always say “C-ASIST‚ is a non-profit organization that offers a free health clinic once a month to help the underinsured and the uninsured.” People don’t know how it works and how the founders are able to run a free clinic‚ but I explain to them that it is all volunteer based so they do not have to pay anyone that works at
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1.3 C. elegans sensory system C. elegans is a simple multicellular organism‚ and‚ like other animals‚ it constantly perceives environmental cues and elicits appropriate physiological responses. Remarkably‚ this process is achieved with only a small number of neurons. An adult C. elegans hermaphrodite nervous system harbors 302 neurons‚ which have been grouped into 118 distinct classes according to their topology and synaptic connection pattern (Ward‚ 1975 #4;Sulston‚ 1977 #8;Sulston‚ 1983 #9;Ward
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and shows how they work in C#. Sample Files See Arrays Sample to download and build the sample files discussed in this tutorial. Further Reading * Arrays * 12. Arrays * foreach‚ in * Collection Classes Tutorial Tutorial This tutorial is divided into the following sections: * Arrays in General * Declaring Arrays * Initializing Arrays * Accessing Array Members * Arrays are Objects * Using foreach with Arrays Arrays in General C# arrays are zero indexed;
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Upon his return to Oxford in 1919‚ he made many life long friends‚ namely A. K. Hamilton Jenkins‚ Owen Barfield‚ and A. C. Hardwood. Due to several causes including meeting mad and hopeless men and being influenced by the beliefs of the day‚ Lewis veered his life away from his previous search for romanticism and towards "the greatest good sense" (p.77). To his shock‚ some
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2.1 Identification of e-government vs. e-governance There are two different terms which can be defined separately. The two terms are e-government and e-governance. However‚ Bernhard (2013) and Singh and Sharma (2009) asserted as these two terms are used in research interchangeably and noted that no single definitions for the terms. Anttiroiko (2007) also has noted as these two terms are completely different concepts. Just putting the letter “e” before the two words of government and governance change
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