Help:Referencing for beginners - Wikipedia
England's Whetstone named FEE's first "Blinking Lights" award recipient.. [online] Available at: [Accessed 16 July 2014].
*URL means Uniform Resource Locator - an address identifying the location of a file on the Internet
If a URL is exceedingly long, or the result of a personal search on a website, you can give the website's home page address with the routing or web path, showing your reader how to get from the home page to the specific page you have referenced.
It is good practice to keep in your files a copy of the first page of any web pages you use.
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general background reading to familiarise yourself with the topic.
An annotated bibliography includes the full reference to sources with the addition of notes, which summarise and evaluate the source and will be of variable length, depending on the assessment this may be an independent project or part of a larger research project.
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Cells are able to move through selective permeable cellular membranes. They must regulate moving necessary materials in and out of the cell in order to maintain homeostasis. Because of a cell's aqueous environment, it allows water to pass by osmosis or aquaporins. With osmosis, water can move throughout the membranes of a cell, down its concentration gradient. Water moves from areas of high potential and low solute concentration to areas of low potential and high solute concentrations. Diffusion is known as the simplest form of movement, where solutes spread from a high concentration area to a low concentration. This process requires no energy, but the movement of a low concentration to a high concentration requires energy by ATP. Since water molecules surround solute molecules, solutes decrease the concentration of free water. To describe the solutions separated by selectively permeable membranes, there are three terms: hypertonic (higher solute concentration and a lower water potential as compared to the other solution), hypotonic (lower solute concentration and a higher water potential than the other solution), and isotonic (equal water parts).
Purpose: This lab is all about finding out if there is a correlation between "cell ? size/surface area, and diffusion rates.
Hypothesis: Cells with a larger surface area to volume ratio are more efficient with diffusion because there is more surface area to absorb the solute with a smaller volume to diffuse into. More solutes enter the cell with a larger surface area to volume ratio.
- 2% agar containing NaOH and the pH-indicator dye phenolphthalein
- Squares of hard, thin plastic (from disposable plates); non-serrated knives; or scalpels from dissection kits
1. Place some phenolphthalein in two test tubes. Add 0.1 M HCl to one test tube.
2. My group and I selected three various sizes of plastic containers [cups] to act as molds for the agar.
3. Next, the agar was re