BioLab3 Cell Membranes Lab Report Student Name: I. Diffusion Define the following terms. Solvent Solute Solution. Diffusion Concentration gradient Dynamic equilibrium EXERCISE 1 – Factors influencing rate of diffusion Predict how molecule size and temperature will affect the outcome of this experiment. Record the data from the information in the lab. Potassium Permanganate R.T. Methylene Blue R.T. Time (min) Total Diameter
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Biological Membranes: A simulation Introduction Diffusion is the process by which collisions between molecules cause to spread apart. This movement is described as movement from an area of greater concentration to an area of lower concentration. Hence‚ diffusion continues until the molecules are equally distributed. This is to ensure that molecules have reached a state of equilibrium. Diffusion occurs spontaneously‚ no energy is involved. In cells‚ Diffusion occurs through cell membrane which is
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anything covered in lecture may appear on the exam. Membrane Transport 1. Describe the cell permeability and membrane transport. What can enter/exit the cell on its own? What requires assistance? Why? 2. Describe membrane potential. What is it? How is it established? How does it influence the transport of charged molecules? What are the components of the electrochemical gradient? 3. What are the different types of membrane transport? Describe each in detail. Which move solutes
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supporting a child and their family?‚ how and why might they be involved in supporting a child? How might they need to work in this team to be effective e.g. effective communication‚ liaising with others. C – Explain why the early years practitioner should listen to children’s views and value opinionsGive reasons - why it is important that you should listen to children’s views? What are the benefits to the child and the practitioner? Why should we value children’s opinions? What does legislation
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Bacteria Bacteria are microscopic organisms whose single cells have neither a membrane-enclosed nucleus nor other membrane-enclosed organelles like mitochondria and chloroplasts. Another group of microbes‚ the archaea‚ meet these criteria but are very different from the bacteria in other ways. In fact‚ there is considerable evidence that you are more closely related to the archaea than they are to the bacteria! Bacteria are living things that are neither plants nor animals‚ but belong to a group
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the tests you have to study for? Most teens have been in this situation once or more times before. It happens really frequently. Some kids get really stressed out and can not finish all of the work. This can cause you to get a zero on the assignment and hurt your average. Kids should have less homework. Homework does not serve a purpose. Kids go to school to learn things. We learn for eight solid hours‚ and come home to do more work. Some people say that you do it for practice‚ but if we learn it
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Religious Studies 2.2 AS 90821 Explain the changes in an expression of a religious tradition Task one: Describe the marriage service in the Catholic Church 100 years ago and explain why the marriage service was performed this way. What were the restrictions on the couple? The Catholic Church’s marriage service was significantly different 100 years ago mainly due to how society was then. For example:- The priest would organise the entire wedding‚ there were no prayers of the faithful and
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table 1&2. Through this analysis I have understand what I need to be noticed while an organizational changing. And Still I combined the effective management with each term to understand how important the effective management is in an organizational change. If a manager abuses an employee‚ and the employee tells the abusing manager’s manager‚ the upper level manager may have the mindset that managers always support their managers. The upper level manager may tell the abusing manager to handle the
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In recent years‚ a trouble‚ which makes sociogists have to care and worry‚ is hight divorce rate. A lot of couples ready to divore after a few years marriage. To explain this problem‚ in my opinion‚ there are 3 reasons are the effect of Western culture ‚ the change of social conception and position of woman . Firstly‚ thanks to modern medias and cultural exchange‚the Western has inffuenced on thinking of young people. They would rather live for themselves than people who live around. They think
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the nearest 0.1 gram‚ and record your measurements in the table that follows. DO NOT MIX UP THE EGGS. 3. Place the egg in the correct clear cup and slowly pour enough vinegar to cover the egg. YOU ARE PUTTING VINEGAR IN BOTH CUPS TODAY. WE WILL CHANGE TO WATER AND SYRUP TOMORROW. 4. Place a cup containing water on each egg to keep it submerged as shown below. Add more vinegar to the egg if the egg is not covered by the vinegar already in the beaker. Be careful not to overflow the vinegar. 5
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