Top answers

How does the structure of the red blood cell allow it to carry out its functions?

The main function of the red blood cell is transport oxygen around the body to other cells. It contains haemaglobin which allows the binding of oxygen. Its biconcave shape maximises the surface area to incre...
NI
Answered by Narumi I. • Biology tutor
86535 Views

How can i thoroughly analyse a source?

I always find it useful to cover up the actual image/picture initially, and focus first on the caption and what that can tell you about the souce - this also works to make sure the context and provenance are...
GW
Answered by Grace W. • History tutor
4563 Views

Why choose me for your GCSE English tutor?

I have had experience working specifically as an English Literature GCSE tutor (English Intervention teacher) within a UK secondary school; this role focused on the AQA exam board but I am also familiar with...
CJ
Answered by Charlotte J. • English tutor
4080 Views

How do I add two fractions? (plus example)

Adding (and subtracting) fractions is more difficult than multiplying them because we need to make sure that the denominators (bottom numbers) are equal in both fractions. To do this, we may need to change t...
JB
Answered by Jenny B. • Maths tutor
5637 Views

How do I expand (x+a)(x+b)? (plus example)

The key to understanding expanding brackets is to understand that we need to multipy EVERYTHING in the first bracket by EVERYTHING in the second bracket. We can think of the calculation (x+a)(x+b) as x(x+b) ...
JB
Answered by Jenny B. • Maths tutor
17060 Views