716 search results
Cell signalling
Science, Maths & Technology

Cell signalling

...energy currency and as a building block for nucleic acid synthesis. ATP is only one example by which localization and compartmentalization enables the same molecule to be used effectively for diverse purposes. You will encounter other examples later in this chapter...Cell signalling: 1.3 Most receptors are on the cell surface - Water-soluble signalling molecules cannot...
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Level 3: Advanced 12 hrs
Managing complexity: a systems approach
Society, Politics & Law

Managing complexity: a systems approach

...energy, enthusiasm and commitment come into the evaluation? The activity you have just engaged in is the first of several such activities. It is an example of a pattern of activities that constitute reflective practice or reflective learning. This style of learning is based on the notion that the understandings most useful to us, and that most readily become part of us,...
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Level 3: Advanced 20 hrs
Exploring a Romano-African city: Thugga
History & The Arts

Exploring a Romano-African city: Thugga

...energy of nature and its cyclical renewal throughout the year. / Here the young Dionysus rides a tiger surrounded by his satyrs and baccantes in a circular procession. Around these is a border composed of scallop shells, tridents and dolphins. / Sea motifs are also abundant in this series of mosaics - showing scenes from Homer. For example the legend of Ulysses and the...
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Level 3: Advanced 14 hrs
David Hume
History & The Arts

David Hume

...energy and in great pain, He lays down his load and ponders his misery. ‘What pleasure have I had since entering this world? Is anyone on this globe worse off? So often without bread, never any rest!’ His wife, his children, soldiers, tax officers, Debt, and drudgery Complete for him this image of misfortune. He calls on Death, who comes without delay, Asking what is...
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Level 2: Intermediate 16 hrs
Water for life
Nature & Environment

Water for life

...energy of the Sun to evaporate seawater, but this is a slow process. Other methods of desalination use different energy sources - oil, for example. Either way, desalination is a costly business and so is generally used only in those countries wealthy enough to afford it (e.g. in the Arabian Peninsula, Iran and the USA - in Arizona and California), and only where there is...
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Level 1: Introductory 15 hrs
Understanding depression and anxiety
Health, Sports & Psychology

Understanding depression and anxiety

...energy reserves for release into the bloodstream, where they are then available to sustain the high-energy needs of an individual should there be a prolonged struggle or flight. However, glucocorticoids are damaging to neurons and other cells if present for long periods and in high concentrations. Thus it is important that levels of glucocorticoids are brought back to...
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Level 2: Intermediate 8 hrs
Diagrams, charts and graphs
Science, Maths & Technology

Diagrams, charts and graphs

...Energy 404.6KJ/97Kcal 1618.4KJ/388Kcal Protein 61.0g 244g Carbohydrate 8.6g 34.4g of which sugars 2.0g 8.0g starch 6.2g 24.8g Fat 3.8g 15.2g of which saturates 1.1g 4.4g mono-saturates 1.2g 4.8g polysaturates 0.5g 2.0g fibre 1.8g 7.2g sodium 0.2g 0.8g salt 0.6g 2.4g Scientific experiments often require a series of measurements taken at regular intervals. Information can...
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Level 1: Introductory 5 hrs
Understanding mortgages
Money & Business

Understanding mortgages

...energy companies’ standard tariffs! Don’t feel obliged to stay with the first mortgage provider just because they lend you a load of money for 25 years – it’s a commercial relationship, not a marriage! The good news is that the trend over many decades has been rising house prices in both cash and real terms (see the graph above) – so your mortgage not only...
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Level 1: Introductory 2 hrs