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How does a gene mutation alter a protein?

A genetic mutation, defined as being a change in the DNA base sequence would lead to a change in the primary structure of a protein (a change in the amino acid sequence). This would lead to a change in th...

Answered by Ahmed H. • Biology tutor

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Is Russia a superpower?

A superpower is a state that is a chief economic actor on the global stage, with the most dominant military power in its sphere of influence with a strong nuclear arsenal and has mulitple global instituti...

Answered by Gresham t L. • Government and Politics tutor

3220 Views

How should I go about answering an unseen poem in an exam?

Unseen poetry can be flustering if you do not know what do, however, if you give yourself time to plan and use a few logical steps, you'll be able to take on anything! Planning is key in the exam so take ...

Answered by Byron W. • English Literature tutor

8187 Views

What is the difference between the preterite and the imperfect?

In general, the preterite refers to completed actions, and the imperfect refers to interrupted or repeated actions. So if you want to say "I did my homework", you would use the

Answered by Joseph M. • Spanish tutor

1963 Views

How far do you agree with the view that Reagan led to the ending of the Cold War?

Reagan's role has too often been filtered through the winners' point of view and inflated. Even his new arms race, claimed by Triumphalists to have been the external factor that brought the Soviet Union t...

Answered by PAULA H. • History tutor

3025 Views