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Explain the reasons why communication between cells is essential in the human body. Use examples to illustrate your answer.

Communication is a process that involves the transfer of a signal/information from one cell to another. The main reason this has arisen between cells comes down to the basic component that makes up a huma...

MY
Answered by Magnus Y. Biology tutor
1987 Views

Explain why it is difficult to measure development. (10 marks)

Due to the complexities of the world it is very difficult to measure development. When measuring development you have to take into account many different factors that contribute to the shape and formation...

OC
Answered by Olivia C. Geography tutor
31868 Views

Using the nitrogen cycle, explain how nitrogen from the atmosphere is converted into nitrates

4 main processes: ammonification nitrification nitrogen fixation denitrification NITROGEN FIXATION: the process by which N2 gas converted --> nitrogen containing compo...

NZ
Answered by Nawal Z. Biology tutor
6921 Views

What role does gut flora play and how does it work?

Gut flora is an example of good bacteria within our bodies that we need to survive. The average human has around 1.5kg of glut flora in there gastro-intenstinal tract. The gastrointenstinal tract (GIT) co...

EK
Answered by Ermira K. Biology tutor
3128 Views

Integrate the following between 0 and 1: (x + 2)^3 dx

Initially, we must recognise the simplest way to integrate this equation is using the 'reverse chain rule' method. 

This means raising the value of the power, in this case '3', by one, and then div...

WE
Answered by Will E. Maths tutor
3495 Views

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