Search our library of A Level questions

Top answers

All subjects

A Level

Cells go through a series of stages in order to replicate themselves, called mitosis. Briefly describe each stage of mitosis. (8)

1 mark for each name1 mark for each explanation
Prophase - DNA condenses into chromosomesMetaphase - Chromosomes line up along equator of cellAnaphase - Sister chromatids pulled apart to form two id...

Answered by Charlie H. • Biology tutor

2751 Views

How can I critically evaluate a study?

To critically evaluate a study at A-level, I recommend following the ‘GRAVE’ method: Generalisability - how generalisable is the sample to the wider population? Is the sample size large o...

Answered by Ellie P. • Psychology tutor

2239 Views

What is the difference between the verbs 'ser' and 'estar' (meaning 'to be' in English)?

Both of these verbs are irregular, and mean 'to be', but for different situations.Ser is used when talking about permanent, or lasting attributes, the essential essence of something. A helpful acronym to ...

Answered by Angharad M. • Spanish tutor

2074 Views

(19x - 2)/((5 - x)(1 + 6x)) can be expressed as A/(5-x) + B/(1+6x) where A and B are integers. Find A and B

First we can equate (19x - 2)/((5 - x)(1 + 6x)) to A/(5-x) + B/(1+6x) which means: (19x - 2)/((5 - x)(1 + 6x)) = A/(5-x) + B/(1+6x). Then we will turn the RHS into a single fraction: (19x - 2)/((5 - x)(1 ...

Answered by Tarek S. • Maths tutor

3640 Views

Explain the process of phagocytosis

Phagocytes detects pathogen due to chemical produced by the pathogen. The phagocyte move via a concentration gradient to the pathogen. The phagocyte engulfs the pathogen thereby producing a phagosome wher...

Answered by Sam C. • Biology tutor

8283 Views