Search our library of A Level questions

Top answers

All subjects

A Level

Describe a way in which corporate entities influence the creation of place through meaning and association.

Corporate entities can influence the idea of place through gentrification or rebranding projects. The aim of these projects would be to create a 'new' meaning or association of a certain place, making it ...

Answered by Kate D. • Geography tutor

4495 Views

Explain briefly how mutations in the genome can lead to cancer. In your answer refer to and explain the process of protein synthesis.

The central dogma of modern genetics is simple: DNA - RNA - Protein (and, due to reverse transcriptase, RNA - DNA). It can therefore be seen that alterations in DNA sequence can have the downstream effect...

Answered by Lynden R. • Biology tutor

2686 Views

Describe how mRNA is produced in humans.

DNA helicase separates the strands by breaking the hydrogen bonds.One of the strands is used as a template to transcribe the mRNA.(Complementary) base pairing occurs with free RNA nucleotides.A→U, T→A, C→...

Answered by • Biology tutor

2418 Views

Explain the process of soil infiltration. (4)

Soil infiltration is the downwards vertical movement of water from the surface in to the soil. It is measured in mm/hour. The rate of movement depends on the soil porosity, the amount of water already pre...

Answered by Tutor407828 D. • Geography tutor

3119 Views

Explain the principle behind chemically reactive and inert molecules

Electronegativity.
Molecules with atoms which possess an almost full outer shell will always be seeking to draw in the extra electron(s) to fill up their outer shells.Likewise molecules with atoms wh...

Answered by Irtiza S. • Chemistry tutor

3549 Views