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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

Actived: 4 days ago

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

Developing healthy food products – an introduction

WEBHigh-value nutrition food exports are worth more than $20 billion per year to the New Zealand economy. Many consumers are willing to pay more for foods with health …

Category:  Nutrition,  Food 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 …

Category:  Health Go Health

Macronutrients — Science Learning Hub

WEBMacronutrients give us energy. Although each of these macronutrients supplies the energy needed to run body functions, the amount of energy that each provides varies. …

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

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

Hormonal control of digestion — Science Learning Hub

WEBHormonal control of digestion. It has now been well established that gut hormones have a key role in controlling food intake and energy expenditure. The gut is the body’s largest …

Category:  Food 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

The history of antibiotics and antimicrobial resistance

WEBThe widespread use of antibiotics in the 1950s and 1960s led to a significant decrease in infectious disease mortality rates and contributed to the rapid increase in life …

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

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

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

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

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

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

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

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

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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