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Describe the process by which lipids are 'broken down' by the digestive system, and how bile facilitates this process.

Lipids are broken down by lipases into glycerol and fatty acids. Bile, made in the liver and stored in the gall bladder, facilitates this process by emulsifying fats into smaller droplets. This increases the...
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Answered by Poppy K. Biology tutor
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Describe and explain the process of saltatory conduction. Diagrams may be used.

Saltatory conduction is the term used to describe the propagation (a widely and quickly spreading phenomenon) of an action potential down the axon of a myelinated neuron, from one node of ranvier to the next...
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Answered by Poppy K. Biology tutor
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How far do you agree that the impact of the First World War led to the abdication of the Tsar in 1917?

The First World War led to the Tsar’s abdication as, to begin with, Russia was vastly unprepared for conflict. In 1915, only one in three men had access to a rifle, and the army suffered a serious shortage o...
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Answered by Anton W. History tutor
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How does Ice make drinks Ice cold?

Ice, in it's solid form, is at a maximum temperature of zero degrees Celsius. You might expect that a small volume of Ice might cool say a 25 degree drink to somewhere halfway between 0 and 25. This is not o...
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Answered by ISAAC W. Physics tutor
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What does an in-depth analysis of an artwork include?

Although analysing art can seem pretty straightforward in some cases, it's very easy to limit ourselves to quite superficial observations. When examining art, it's important to also consider its position in ...
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Answered by Giulia Z. Art tutor
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