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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 enzyme ...
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Answered by Annie H. • Biology tutor
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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 of 'i' -...
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Answered by Aleksandra C. • Polish tutor
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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 cl...
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Answered by Jemma C. • History tutor
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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 Minister...
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Answered by Kiara D. • Politics tutor
8551 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 an...
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