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How did Tsar Nicholas II survive the 1905 Revolution? (6 marks)

The 1905 Revolution shook Tsar Nicholas' power, yet he survived the rebellion by using using two main strategies. Firstly, Nicholas conceded some degree of power to the Russian Parliament, known as the Du...

DB
Answered by Dan B. History tutor
29306 Views

Explain how temperature affects how enzymes work

Definition of enzymes: Biological catalysts that speed up the rate of reaction by lowering the activation energy , with no effect on equilibrium. They are proteins that have a specific shape . For the enz...

GR
Answered by Giulia R. Biology tutor
9124 Views

Solve the simultaneous equation: 2x + y = 18 and x−y=6

Check to see if the number in front (coefficient) of either the x's or y's is the same. In this case both the y's have the same coefficient so we do not need to make them the same.We are going to add the ...

CK
Answered by Chelsea K. Maths tutor
4258 Views

Find the stationary points of the function f(x) = x^3+6x^2+2 and determine if they are local maximums or minimums.

A stationary point is defined as a point on the function where the gradient is zero, i.e f'(x) = 0. To construct this equation we must differentiate the function, we would find f'...

LS
Answered by Luke S. Maths tutor
4725 Views

Is it true that once we reach adulthood we never produce new neurons?

The short answer is no, this is a false statemement. There are two areas in the brain which undergo adult neurogenesis after adolescence. These is the subventricular zone of the lateral ...

EB
Answered by Ebrahim B. Biology tutor
2643 Views

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