Lab 5 –Cell Structure and Staining using Microscopy Instructions: Please download this MSWord document to your computer and answer the questions as asked. Then save the document and upload it to Bb using the Assignment feature provided. This assignment is worth a total of 100 points – there are 20 questions worth 5 points each. NAME Buket Rembert In Lab 3 you were introduced to microscopy. In this lab you will be adding to that experience by reviewing the differences in cell structure for Prokaryotes
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Auschwitz Concentration Camp Imagine that you were a 14 year old Jewish girl riding with your family and hundreds of other Jews and Gypsies packed into one tiny railroad car. You stop at an unfamiliar place were a man is screaming at you to get out. You have to watch your step getting out of the railcar because there are already dead people on the floor who passed on the trip here. Once you are out you are separated from your family‚ woman on one side men on the other. Kids are franticly
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Cell Membrane Permeability and Osmosis Experiment 3 Objectives: To demonstrate the mechanism involved in Osmosis; To demonstrate the tonicity of solutions by subjecting the cells to different concentration of solute. To view‚ under the microscope‚ any change in the shape and volume of the cells after subjecting them to different concentrations of solutes; To demonstrate the permeability of cell membrane by subjecting the cells to different solutes; To demonstrate the mechanism involved in
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likely occupied on there cell phone. But to most teenagers there cell phones are everything to them and it becomes there center of attention like the sun in our solar system. The feelings you get when on your cell phone makes you feel so in charge like a CEO of an powerful organization or a silver back alpha male gorilla. Sadly teens like myself are so involved into there phones we will ignore someone who is physically in front of us for someone virtually on our cell phones. Slowly it’s turning
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Materials: Metric ruler‚ razor blades‚ potato pieces‚ paper towels‚ iodine Purpose: to identify why cells are so small. Hypothesis: Make a statement as to which potato cubes will diffuse the closer to the center of a cell (small‚ medium‚ large. __________________________________________________________________________________________________________________________________________________________________________ Dimensions For Experiment 3 Cubes with sizes A) 0.5 cm B) 1.0
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Effects of Different Concentration of Catalyse on Hydrogen Peroxide Aim: In this investigation I will try to find how long it takes for the filter paper disc to rise up whilst varying the amounts of concentration of catalyse. Prediction: I predict that the lower the concentration of catalyse the longer it will take for the filter paper disc to rise to the surface of the tube. Equipment: 1. Hydrogen peroxide in a container 2. Flat bottom tube 3. Tweezers 4. Filter paper
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Understand the potential effect of transitions on children and young people’s development. Through out our lives we are confronted by changes. People‚ places and even our own bodies change. We are faced by ongoing periods of transition as things alter from how they were to how they are now. Transitions can positively or negatively impact on children and young people’s development depending on how they are supported and the change is managed. There are several types of transition children and
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What is an action potential? To put it simply‚ it is a message that is sent down the nervous line. The message is written and is sent from the central nervous system. That message is addressed to muscles or glands. This essay will explain what happens before‚ during‚ and after an interneuron action potential. To accurately define an action potential‚ it is part of the incredible course of events that occur during the firing of a neuron. When a neuron is not firing signals‚ the interior of the
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hit the united states in the 1980’s‚ and it hit with a fury. Recently‚ an infant is believed to be cured of HIV‚ using high dosage antiretroviral (ARV) drugs within hours after being born. This paper points out the extraordinary achievement of a potential ‘cure’ for HIV. This close examination of the treatment and proper procedure that was implemented‚ can possibly point out the very steps that are needed to duplicate this procedure. HIV ‘Cure’: New hope‚ Or Old News? 3
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Respiration: How Cells Harvest Chemical Energy 1. A cell must work just to maintain its complex structure‚ for order is intrinsically unstable. Because of entropy (the second law of thermodynamics)‚ which states that any enclosed system tends toward disorganization‚ cells must constantly use energy to keep themselves in order. If the cell was to stop using energy and let itself go then it would eventually get so disorganized that it wouldn’t function properly. 2. With the help of enzymes‚ the cell systematically
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