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Describe the structural differences between arteries, veins and capillaries and link to their function

Arteries - Small lumen, large amount of smooth muscleSmall lumen provides increased blood pressure for blood to flow all across body - smooth muscle provides necessary force to push blood across body

Answered by Muhammad S. • Biology tutor

2593 Views

Describe the Kekule and delocalised model of benzene and explain some of the reasons why the kekule is disproved

Kekule Model - 6 membered carbon ringComposed of carbon atoms joined together by alternating single and double bonds
Delocalised Model - A planr cyclic hydrocarbon composed of 6 carbon atoms and 6 hy...

Answered by Muhammad S. • Chemistry tutor

3971 Views

What is the differnce between genotype and phenotype, and how are they linked?

The genotype is all of the genes in an organism. If, for example, you're interested in eye colour, the genotype for eye colour is the sequence of DNA that says 'eyes will be blue' or 'eyes will be brown'....

Answered by Gabrielle A. • French tutor

1826 Views

How should I structure a primary source analysis?

The structure for a primary source analysis will always follow the same pattern, so if you learn this, it will make your answers more coherent and save you time in an exam. Let me explain this structure t...

Answered by Katie F. • History tutor

19775 Views

Example of product rule - if y=e^(3x-x^3), what are the coordinates of stationary points and what are their nature?

Given this is a maths problem a whiteboard will be heavily relied upon, but I'll do my best to get the appropriate notation here.Starting with y=e^{3x-x^3}, we have to get to the stationary points...

Answered by Dylan D. • Maths tutor

3483 Views