Biological Membrane Study: HCl‚ NaOH‚ SDS Objective and Hypothesis: The objective of this lab is to determine the effects of SDS‚ HCl‚ and NaOH on red cabbage cell membrane. Prior knowledge can tell us that the red cabbage is a red-purple color due to a pigment called anthocyanin. This is what we will be testing in the experiment. We also know that HCl is a strong acid (very low pH) and that NaOH is a strong base (very high pH). From information learned in this course (lecture/lab) we can assume
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Volume (mL) | Temperature (˚C) | 163.6 | | 22.0 | 213.5 | 0.5 | 22.2 | 263.3 | 1.0 | 22.3 | 313.2 | 1.5 | 22.4 | 363.0 | 2.0 | 22.6 | 364.0 | 3.0 | 22.6 | 364.1 | 4.0 | 22.6 | 364.2 | 5.0 | 22.6 | C. Empirical Relationship of Pressure and Temperature Procedure: 1) Prepare an empty 100mL flask and enclose it with a rubber stopper. 2) Place the flask in a 200mL beaker half-filled with water. 3) Set up the LabQuest instrument‚ connecting the pressure and temperature probes. 4)
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Explain how different types of transition can affect children and young people’s development Transitions are changes that take place in our life‚ changes which can occur over a short or long period of time‚ can be physical‚ emotional‚ personal or psychological‚ and can be predictable or unpredictable. Life is full of changes and every child and young person will go through many transitions. Some of them may have a positive effect (such as an increased level of motivation or improved self–esteem);
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"Dare To Be Different" | If you want to get what everyone is getting‚ do what everyone is doing. Mr. Toastmaster‚ ladies and gentlemen‚ my speech tonight is not simply about me‚ but also about being different. I have chosen this topic because it is something that is very dear to me and something I have made a personal philosophy and which I endeavor to live by. I think it all started when I was 18 years old and in my first year at campus. That was about the time that I started to observe
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insects‚ fish and worm. These animals rely on the outside environment for their body heat as they do not generate heat internally like a mammal or bird. Ectotherms have a variety of adaptations‚ many of them behavioural‚ to regulate their body temperature and keep it within the range in which they can be active; 10-30oC The Tiliqua or more commonly known as the blue-tongue lizard or just Blue tongue is the largest member of the skink family in Australia. There are six species of blue-tongued lizards
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Wade Petersen Presents Dare to Be “Different” Using “Choice Menus” to Differentiate in Your Classroom Iowa World Language Association Conference October 7-8‚ 2011 Des Moines Downtown Marriott Contact Information: Wade Petersen wadecp@netins.net petersenw@wdmcs.org Valley Southwoods Freshman High School West Des Moines‚ Iowa Differentiation The new buzzword in the education world is “differentiation.” Teachers are increasingly being asked to provide alternative ways to help students learn. The
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In the reading‚ one learns that there are many different cultures in the world. Some of them share the same characteristics‚ whereas some are the complete opposite of one another. For example‚ the Sumerians‚ Akkadians‚ Babylonians‚ and the Assyrians all share common religious beliefs‚ literature‚ and architectural styles. Each detail about these cultures truly describe how unique they really are. Religion has been known to cause issues between cultures because they believe so differently. However
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A Different History By Sujata Bhatt In the poem ’A Different History’ Sujata Bhatt expresses her emotions in many different ways on the sensitive topic on how India became a British colonie. Bhatt starts with talking of the peaceful life as a god living in India with the example of saying "Great Pan is not dead;he simply emigrated to India.Here‚ the gods roam freely‚ " In this phrase Bhatt indirectly states that India is more peaceful for a god of nature (Pan) than it is in Greece which could
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Planaria Regeneration in Ideal Temperatures vs. Cold Temperatures Christina Malfas Abstract Planaria are flatworms that live in quiet freshwater bodies. They live in a narrow range of temperatures‚ from 22-24°C. They regenerate asexually‚ specifically through a process called epimorphosis‚ in which they completely regenerate one half of their bodies after splitting themselves in two. The diffusion gradient model assumes that cells in an organism “know” their orientation on that organism due
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In this laboratory experiment is stating that organic lipids have the ability to dissolve lipids membranes‚ and in this exercise acetone would be the main source to be used to have the reaction of dissolving the lipids inside the tubes. This exercise was to be able to observe how the chemicals reacted in rare temperatures such in heat and in cold weather‚ also this type of changes can create a new color either making the color lighter or darker. The reaction of a light color would be that it did
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