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Explain the effect of temperature and pH on enzyme-catalysed reactions:

The rate of reaction typically increases with temperature, as heat provides kinetic energy and more substrate-enzyme collisions. however, going above a certain temperature will cause enzymes to denature and ...
AK
Answered by Abdullah K. • Biology tutor
9016 Views

What is meant by a bicameral legislature

A bicameral legislature is a political system with two separate 'houses' or 'chambers' where legislation is debated and voted on. There can often be an upper house and a lower house such as in the UK or US w...
TA
Answered by Toby A. • Politics tutor
3343 Views

How does Ezra Pound use absence in his 1913 poem 'In a Station of the Metro'?

As a key poem of the Imagist movement, it is important for us first to consider how Pound's sparsity demonstrates something that more traditionally poetical examples of poetry cannot. You will probably be st...
DW
Answered by Daniel W. • English tutor
2433 Views

At A-level, students will be expected to be able to confidently use the subjunctive mood.

With a student, I would first discuss with them what the already know about the subjunctive, or any phrases they already feel happy to use in their written or oral work. We would then discuss the fact that i...
LS
Answered by Laura S. • French tutor
2041 Views

Evaluate one study into the stages of attachment. 4 marks.

Schaffer and Emerson's study is true to real life as the children were observed by their mothers in their own home, therefore there was less demand characteristics than there would be if the study was conduc...
GK
Answered by Gemma K. • Psychology tutor
3789 Views