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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

2153 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

3378 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

1540 Views

How to find the exact formula of the function if the graph of it is given?

To begin with, answering this question requires basic knowledge of simple Mathematical function and ability to solve simultaneous equations. One thing you need to be able to do is recognising what kind of...

Answered by Jokubas Z. • Maths tutor

2550 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

17422 Views