Category Archives: High Level

Meiosis

Here are some of the terms we will get to terms with in this section ūüôā diploid, haploid, homologous chromosomes, crossing over, non-disjunction, trisomy, karyotyping We’ll learn about the process of meiosis, and why it is known as a reduction … Continue reading

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Photosynthesis

For notes on the SL portion of the syllabus, here is a useful powerpoint.¬†¬†Photosynthesis¬† This is the¬†core material¬†from our favourite teacher in Japan.¬† Once you have grasped the basics, move on to this¬†HL stuff. We’ll cover a lot of interesting … Continue reading

Posted in 3.The Chemistry of Life, High Level | Leave a comment

Cellular respiration

This refers to syllabus 3.7 and 8.1 Respiration¬†is¬†NOT¬†breathing!¬† Ok, now I’ve got that off my chest, let’s continue ūüôā This is going to be some of the more challenging work we cover, but it is good stuff!¬† Start with¬†this presentation.¬† … Continue reading

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DNA – deoxyribonucleic acid

This is a big topic!¬† And an important one. We’ll start by looking at the¬†structure of DNA, then studying two important processes –¬†replication¬†and¬†protein synthesis.¬† I will give you some handouts in class, but here are other resources you might find … Continue reading

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Enzymes

There are a lot of questions to answer in this topic.¬† It is one of my favourite aspects of biology, as an understanding of enzymes relates to nearly every branch of biology.¬† So, here goes…. What is an¬†enzyme?¬† What is … Continue reading

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Chemical elements and water

Here is the syllabus outline for Topic 3, and also¬†Topics 7 and 8 since they are extensions of¬†Topic 3.¬†¬†Topic 3,7,8 – syllabus outline The first section has to do with chemical elements and water. What are the most frequently occurring … Continue reading

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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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Gas exchange

Do you know the difference between¬†respiration,¬†breathing¬†and¬†gas exchange? You will, hopefully, by the end of the next topic.¬† Here are some resources to help you.¬† This¬†one¬†gives basic factual information.¬† This¬†one¬†is interactive. ¬†And this one from¬†Get Body Smart¬†is also good. Watch this … 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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