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Explain what an enzyme is and the lock and key hypothesis.

An enzyme is a biological catalyst that ensures important certain chemical reactions can take place. They speed up the rate of a reaction without being used up or changed. Maltase is an example of an enzy...

Answered by Annie H. Biology tutor
7980 Views

When to use commas while writing in Polish?

When we consider writing a comma, it will usually be just before the conjunctions.
We DON't use commas before: i, oraz, tudzież, lub, albo, bądź, czy, ani, ni. Also when 'a' is used as an equivalent...

Answered by Aleksandra C. Polish tutor
1911 Views

How would you structure an answer to the question: To what extent was James I to blame for the financial issues faced during his reign? (20 marks)

INTRODUCTION: It is crucial to set out a clear argument and set the tone of your essay. This does not need to be long and you do not want to dedicate too much time to this in the exam, but you should make...

Answered by Jemma C. History tutor
6046 Views

To what extent has the role of Cabinet Ministers declined in recent years?

Cabinet Ministers are heads of government departments, an example would be the Minister for Education. These ministers meet around once a week in the Cabinet, held at 10 Downing Street and the Prime Minis...

Answered by Kiara D. Politics tutor
6802 Views

Analyse the factors which affect an individuals VO2 max AND the effects these factors have on his performance.

VO2 max can be defined as the maximum volume of oxygen that can be utilised per minute, it is also directly proportional to an athlete’s level of aerobic fitness as an increased VO2 max is associated with...

Answered by Jonny K. Physical Education tutor
2581 Views

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