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Describe, using the fluid mosaic model, the structure of the cell membrane in animal cells.

The cell membrane is composed of phospholipid molecules. These have a hydrophobic head and a hydrophilic tail. The molecules arrange themselves in a bilayer so that the hydrophobic heads point outwards and t...
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Answered by Morgan G. • Biology tutor
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Describe and explain the similarities and differences between the structures of diamond and graphite.

Diamond and graphite are both allotropes of carbon. This means they are both made up of carbon atoms arranged differently and exist in the same physical state. They both have a giant covalent structure.Diamo...
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Answered by Morgan G. • Chemistry tutor
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X^2 - 4y = -8 y=3

X^2 - (4*3) + 8 = 0 X^2 -4 = 0 X^2 = 4 X = 2
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Answered by Tom H. • Maths tutor
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Integrate (x^2 +2)(2x-6) with respect to x.

For a simple integration like this, begin by expanding the brackets to get 2x 3 -6x 2 +4x-12. Next each term should be integrated with respect to x, begin with the first term, each peer should be raised by 1...
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Answered by Nicholas B. • Maths tutor
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Describe competitive and non-competitive enzyme inhibition

Competitive enzyme inhibition- the inhibitor compound is a similar structure to the enzyme’s active site. This means it can fit into the active site of the enzyme, via the glove induced fit, method creating ...
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Answered by Tom H. • Biology tutor
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