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are here: Catalyst > Biology > Cells > Structure |
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| Small wonders - the invention of microscopy |
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F Henderson,
Catalyst:
Secondary Science Review,
2010, Vol 20, Issue 3,
pages 9-13.
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| Summary:
Early microscopists, including Leeuwenhoek, Hooke and Swammerdam |
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| Relevant
sub-topics:
Structure, making measurements, devising theories, publication and peer review, Infectious diseases, light |
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| Keywords:
microscope, cell, flea, magnification, lens
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article  |
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| Blocking viruses with synthetic receptors |
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J Howgego,
Catalyst:
Secondary Science Review,
2009, Vol 20, Issue 2,
pages 13-15.
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| Summary:
Chemists build molecular 'traps' to mimic the surface of a cell |
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| Relevant
sub-topics:
Structure, Biochemistry, Infectious diseases, plastics and polymers |
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| Keywords:
cell membrane, carbohydrate, polymer, synthesis
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article |
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| Kidneys |
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S Hepple,
Catalyst:
GCSE Science Review,
2005, Vol 16, Issue 2,
pages 6-8.
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| Summary:
Your body has to handle all sorts of variations, balancing its inputs and outputs, if it is to work efficiently. In this article we concentrate on one organ — the kidney — and the way it helps. to keep things on an even keel |
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| Relevant
sub-topics:
Structure, Control mechanisms |
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| Keywords:
Homeostasis, Hormone, Kidney tubule, Diffusion, Osmosis
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article |
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| Hair |
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N Collins,
Catalyst:
GCSE Science Review,
2005, Vol 15, Issue 3,
pages 1-3.
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| Summary:
Hair can be cut and sculpted into the latest fashionable shapes and can hold fast to all the colours of the rainbow. Explore how hair grows and how its physical structure and chemical make-up are affected by hair products. |
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| Relevant
sub-topics:
Structure, Biochemistry, Mendelian inheritance |
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| Keywords:
Specialised cells, Protein, Oxidation, Reduction, Mitosis
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article |
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| Bringing a mummy to life |
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L Sutherland,
Catalyst:
GCSE Science Review,
2004, Vol 14, Issue 4,
pages 8-10.
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| Summary:
Asru was a temple singer over 2000 years ago in Egypt. She was preserved as a mummy, and now lies inside a coffin in a museum in Manchester. Thanks to developments in medical science, researchers are revealing the secrets of her life and piecing together the diseases she suffered from. |
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| Relevant
sub-topics:
Structure, electromagnetic spectrum |
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| Keywords:
X-ray, Tissue, Microscope
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article |
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| Keeping things steady |
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N Collins,
Catalyst:
GCSE Science Review,
2004, Vol 14, Issue 3,
pages 11-12.
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| Summary:
Go for a walk on a crisp winter’s morning and the chances are that the only animals you’ll see will be mammals or birds — certainly no lizards or frogs. How is it that birds and mammals are up and about, whatever the weather? This article looks at why homeostasis matters. |
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| Relevant
sub-topics:
Structure, Biochemistry, Control mechanisms |
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| Keywords:
Homeostasis, Internal environment, Enzymes
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article |
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| A life in brine |
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M Dockery, S Tomkins,
Catalyst:
GCSE Science Review,
2003, Vol 13, Issue 4,
pages 1-3.
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| Summary:
Brine shrimps can easily be kept in a jar or aquarium. This article explores some aspects of their lives which are relevant to your GCSE science course. |
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| Relevant
sub-topics:
Structure, Biodiversity, Adaptation, Ecosystem ecology, energy, nutrient cycles, Human impact on Planet Earth |
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| Keywords:
Osmosis, Active transport, Producer, Consumer, Food chains and webs
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article |
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| Plants and soil nutrients |
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N Collins,
Catalyst:
GCSE Science Review,
2003, Vol 13, Issue 4,
pages 11-13.
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| Summary:
Plants develop large surface areas both in the air (leaves) and in the soil (root hairs) to get the things they need from the environment. Explore the relationship between plants and soil and look at new research on fungi in soil and their involvement with the mineral nutrition of plants. |
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| Relevant
sub-topics:
Structure, Photosynthesis, mineral nutrition |
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| Keywords:
Plant nutrients, Active uptake, Root hairs, Surface area/volume ratio
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| Download
article |
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