Which of the following would affect the function of an enzyme? a.

all of these

c.

different substrates

b.

temperature

d.

pH

TEMPURATURE:

Raising temperature generally speeds up a reaction, and lowering temperature slows down a reaction. However, extreme high temperatures can cause an enzyme to lose its shape (denature) and stop working.

pH:

Each enzyme has an optimum pH range. Changing the pH outside of this range will slow enzyme activity. Extreme pH values can cause enzymes to denature.

DIFFERENT SUBSTRATES:

Increasing substrate concentration also increases the rate of reaction to a certain point. Once all of the enzymes have bound, any substrate increase will have no effect on the rate of reaction, as the available enzymes will be saturated and working at their maximum rate.

I got these explanations from khan academy :)

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hope that !         : )