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Explain how changes in temperature and pH affect the rate of an enzyme-catalysed reaction. Give appropriate diagrams to illustrate your answer. [6]

At the optimum temperature for a given enzyme (specific to each enzyme dependent on the composition of the protein), catalytic activity is at a maximum and hence the reaction proceeds at maximum rate. Bot...

JL
Answered by Jasper L. Biology tutor
3673 Views

Explain how glucose is made during photosynthesis and how it is utilised by the plant.

During photosynthesis, green plants use carbon dioxyde and water, and with light energy convert them to glucose and oxygen. There are two phases of this process, the light-dependent phase which needs the ...

AS
Answered by Anna S. Biology tutor
15190 Views

Outline and explain the indivisibility argument for substance dualism.

Descartes formulated the indivisibility argument in order to support his theory of substance dualism. Substance dualism is the theory of mind which states that mind and body are two ontologically distinct...

FG
Answered by Freya G. Philosophy tutor
10000 Views

‘The Impact of Continental Possessions on English central government was most significant from the reign of Henry I’ How far do you agree with this statement?

During the reign of Henry I, continental possessions had a positive impact on English central government due to an increased efficiency and lack of corruption, as well as innovation in terms of the roles ...

JS
Answered by Joe S. History tutor
2594 Views

Perform a visual analysis of Annie Swynnerton's The Sense of Sight

‘The Sense of sight’ is an oil on canvas portrait, painted by Annie Swynnerton. The painting is measured at 1010x873cm and depicts an angelic woman looking towards the heavens in front of a naturalistic b...

JS
2500 Views

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