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Role of proteins in the body — Science Learning Hub

A gene is a segment of a DNA molecule that contains the instructions needed to make a unique protein. All of our cells contain the same … See more

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URL: https://www.sciencelearn.org.nz/resources/209-role-of-proteins-in-the-body

Obesity: genetic or environmental

WebObesity intervention projects. Obesity has some serious implications for our mental and physical health. These range from self-esteem issues through to high cholesterol, high …

Category:  Health Go Health

The essential elements — Science Learning Hub

WebElements are essential to so many things – check out the role of micronutrients for human health. Zinc and magnesium are also crucial to health. Carbon is more than just another …

Category:  Health Go Health

Using PCR in medicine — Science Learning Hub

WebThe polymerase chain reaction ( PCR) is used to make millions of copies of a target piece of DNA. It is an indispensable tool in modern molecular biology and has transformed …

Category:  Health Go Health

Bioindicators — Science Learning Hub

WebBioindicators. A bioindicator is a living organism that gives us an idea of the health of an ecosystem. Some organisms are very sensitive to pollution in their …

Category:  Health Go Health

What bacteria are — Science Learning Hub

WebBacteria are single-celled organisms. Bacteria are very simple compared to most other organisms. They are made up of just one cell – and that cell is smaller and less complex …

Category:  Health Go Health

Hormonal control of digestion — Science Learning Hub

WebThe gut hormones work in association with the gut’s extensive nervous system (enteric nervous system) and play a co-ordinating role in the control of appetite, the digestion of …

Category:  Health Go Health

Microorganisms – introduction — Science Learning Hub

WebThe Hub has numerous other activities that involve microorganisms. A microorganism is a living organism that can only be seen using a microscope. …

Category:  Health Go Health

Acids and bases – introduction — Science Learning Hub

WebThe chemical difference between acids and bases is that acids produce hydrogen ions and bases accept hydrogen ions. A base is a substance that neutralises acids. When bases …

Category:  Health Go Health

Large intestine function — Science Learning Hub

WebWhat does the large intestine do? reabsorption of water and mineral ions such as sodium and chloride. formation and temporary storage of faeces. maintaining a resident …

Category:  Health Go Health

Phytochemicals — Science Learning Hub

WebPhytochemicals are naturally occurring, biologically active chemical compounds in plants. The prefix ‘phyto’ is from a Greek word meaning plant. The presence of certain types of …

Category:  Health Go Health

The science of tea — Science Learning Hub

WebPublished 24 September 2013 Referencing Hub articles. All tea is made from the leaves of the tea plant, Camellia sinensis. Six main types of tea are produced – white, yellow, …

Category:  Health Go Health

Energy requirements of the body — Science Learning Hub

WebThis means that, to metabolise 100 kilojoules of carbohydrate, 5 kilojoules is needed, leaving the body with 95 kilojoules of useful energy. In comparison, to metabolise 100 …

Category:  Health Go Health

a pioneer of hand washing and hygiene for health

WebFlorence Nightingale – a pioneer of hand washing and hygiene for health. Florence Nightingale, who was born 200 years ago, is rightly famed for revolutionising nursing. …

Category:  Health Go Health

How harmful are microplastics

WebMicroplastics are very small plastic particles generally less than 5 mm in size. There are significant levels of microplastics polluting the ocean, freshwater and land, and research …

Category:  Health Go Health

Impacts of biotechnology on society — Science Learning Hub

WebThe fundamental aim of biotechnology is to meet human needs or demands in order to improve our quality of life. Ancient biotechnologies mainly aimed to provide a more …

Category:  Health Go Health

The history of antibiotics and antimicrobial resistance

WebEarly in the 20th century, antibiotics were discovered, which revolutionised modern healthcare. In 1928, Scottish physician Alexander Fleming discovered penicillin, …

Category:  Health Go Health

Human impact on rivers — Science Learning Hub

WebCurious Minds is a Government initiative jointly led by the Ministry of Business, Innovation and Employment, the Ministry of Education and the Office of the Prime Minister’s Chief …

Category:  Health Go Health

Human impact on estuaries — Science Learning Hub

WebPeople like to live near estuaries. In pre-European times, estuaries were favourite places for Māori to gather – particularly to harvest and enjoy kaimoana. Today, there are major …

Category:  Health Go Health

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