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How does DNA transcription work?

The process of DNA transcription can be split up into three stages: initiation, elongation and termination. First, an enzyme called RNA polymerase binds to a certain sequence of bases called the promoter reg...
JD
Answered by Joré D. Biology tutor
2521 Views

What are the determinants of price elasticity of demand?

The factors that determine the price elasticity of demand for a good are: substitute goods - if a good has many substitutes, a change in its price will have a major impact on its demand. Consumers will turn ...
JD
Answered by Joré D. Economics tutor
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What is partisan dealignement?

Partisan dealignement is a term used to describe a pattern of voting behaviour. It suggests that less voters are strongly attached to a political party. As the electorate (voters) lose their emotional loyalt...
LJ
2780 Views

How do I make my essay less narrative?

This is a very common question for those studying history, even I sometimes find myself asking the same question when approaching essays at university. Its natural to fall into a narrative style, as we often...
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Answered by Bronagh S. History tutor
7879 Views

What is the threshold frequency of a photon to excite and then emit photoelectrons from a material?

Use the photoelectric effect equation which shows conservation of energy between photons, electrons and the material that the electron is being freed from, hf = phi + KE max . Defining terms: h is Planck's c...
CS
Answered by Charles S. Physics tutor
7899 Views