Category Archives: 2.Cells

Membranes – how stuff gets in and out of cells

We’ll use this presentation in class.  You’ll need to be able to: Draw and label a diagram to show the fluid mosaic model of membrane structure. Explain the terms hydrophobic and hydrophilic, and how these properties help to maintain membrane structure. List the many functions of membrane proteins. And for … Continue reading

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Prokaryotic cells

You need to be able to draw, label and annotate a diagram of E.Coli (a prokaryote). In addition you should be able to recognize these structures on an electron micrograph like the one pictured. Finally you need to know how prokaryotic cells … Continue reading

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Surface area to volume ratio

This is a fundamental concept in Biology.  Make sure you know the difference between surface area, volume, and surface area to volume ratio.  To help consolidate your understanding of the ideas we’ll be conducting a lab.  Here is the instruction … Continue reading

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Cell theory

These are the syllabus statements for this section of the syllabus. Topic-2-syllabus-outline Use this presentation, your textbooks, or any other resources you find helpful to tackle these problems.  We will divide and conquer – a bit like cells specializing in one particular … Continue reading

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Topic 2 test answers

Find time to go through the Topic 2 test and make sure you understand where you went wrong.  Ask me after the break if you need anything explained further. Topic 2 Test Answers0001

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Topic 2 Review

UPDATED UPDATE: If you have oovoo it looks like that may work. I’ve created an oovoo account under the name “paulsonb” I’ve never used it but it took me about 12 seconds to register my name, so you can too! … Continue reading

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Mitosis

Here are  some of the questions we’ll be answering in this section: What is the cell cycle? What happens in each of the four stages of mitosis? What does mitosis have to do with cancer? Again, we’ll use this presentation … Continue reading

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Mrs Dickinson – Weekly update 24-28 September

What have we done this week? This week we have been working on our lab skills.  We have done an experiment to try to find the concentration of the cytoplasm in potato by placing cylinders into various concentrations of solution … Continue reading

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Mrs Dickinson – Weekly update 17-21 September

What have we done this week? This week we have been learning about the structure of membranes, and how substances move across them.  This has involved looking at diffusion, active transport, osmosis and bulk transport.  Here are a few resources … Continue reading

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Cell structure

You need to be able to draw, label and annotate a diagram of E.Coli (a prokaryote) and a liver cell (a eukaryote).  In addition you should be able to recognize these structures on an electron micrograph like the one pictured. … Continue reading

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