Tag Archives: tissues

1.2 Cell Division

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1.2.1 Chromosomes

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Hip, hip hooray for DNA! – the DNA song by Peter Weatherall (2m 47s).

Where do genes come from? A TED-Ed video (not on the syllabus):

17.1 & 17.2 revision notes in downloadable word format; to complete.

1.2.2 Mitosis and the Cell Cycle

Mitosis (in english). And here is Mitosis in american & mitosis – a 2m 45 s vid from Bitesize Top 20 Demos. Also here is What is Mitosis? (a 3m 45s lesson) & Mitosis music video by Peter Weatherall (2m 7s).

Here is Meiosis in american (and in more detail than you need).

Science Bank 9 (Cells & Tissues): Part 3 (from 9m 15s) also covers Mitosis & Meiosis. As does Cell Division (a 2m 3s vid from BBC iScience) & Cell Division (a 5m 23s vid from GCSE Bitesize).

1.2.3 Stem Cells

IGCSE Bio Topic 2 – Organisation of the Organism

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All Topic 2 revision notes in downloadable word format.

Powerpoint cells and levels, click bio from Magdalena Ravagnan

GCSE Bitesize – Cell Activity – covers animal & plant cells, movement in & out of cells & cell division (18m). Science in Focus – Cell Biology – a 19m video.

How about seeing some real cells in action? Here is a Trachelius ciliate feeding on a Campanella ciliate, and here is a Paramecium feeding:

Science Bank 9 (Cells & Tissues): Part 1- Animal Cells (to 4m 25s); Part 2 – Plant Cells (to 9m 10s); you do not need Part 3.

A short video from The Virtual School about cells & specialised cells:

For self-assessment questions, with exercises and discussions, just click on the correct topic at Biology GCSE & IGCSE Question Bank. Powerpoints can be downloaded from the same site here. The s-cool revision site lets you revise the topic, summarizes the topic & tests you on it. Skoool gives you a lesson, including progress questions, for each Biology topic but you’ll need sound on for it. 

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Just click to enlarge (thank you LadyofHats).

 

 

 

A lesson on How to Calculate Magnification from Ms Cooper: