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Compare and contrast the structures of Diamond and Magnesium in terms of the position and interactions of particles within the substance. Comment on how this is reflected in their properties.

Diamond is a giant covalent structure of Carbon atoms in which every atom makes 4 covalent bonds , each with another Carbon atom, forming a regular tetrahedral structure. This results in a very hard substanc...
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Answered by Poppy H. • Chemistry tutor
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Why do chemical impulses only go in one direction across a synapse?

Ca2+ channels are only in the membrane of the presynaptic neuron. ACh-containing vesicles are only within the presynaptic neuron. (ACh only produced within the presynaptic neuron, has choline and acetyl)APs ...
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Answered by Reiss C. • Biology tutor
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In what ways can a point mutation affect the protein encoded for by a gene?

Point mutations can affect a protein in various ways, depending on the type of point mutation that has occurred. Substitution mutations can be silent , causing no change in the end protein; they can cause mi...
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Answered by Ryan M. • Biology tutor
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To what extent did improvements in the economy during the gilded age benefit workers and unions?

The Gilded Age was the period in the US history from c.1870 to 1890 which saw rapid economic growth and an increase in industries such as railways, mining, iron and steels and the financial sector.The Gilded...
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Answered by Lydia T. • History tutor
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Assess the sustainability of dams as a water management strategy

For a strategy to be 'sustainable' it must meet the needs of today without compromising the needs of the future and causing environmental degradation. Therefore, it is important to assess the social, economi...
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Answered by Jessica B. • Geography tutor
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