Lab 3 Flashcards

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1
Q

What is enzyme specificity?

A

The characteristic of enzymes that they only accept certain substrates and catalyze specific chemical reactions

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2
Q

What is enzyme temperature dependence?

A

The characteristic of enzymes that they change activity with temperature.

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3
Q

Why do high temperatures affect enzyme activity?

A

The enzyme can denature (change shape.)

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4
Q

Why do low temperatures affect enzyme activity?

A

Less kinetic energy means fewer substrates are making contact with the enzyme.

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5
Q

What is enzyme pH dependence?

A

The characteristic of enzymes to catalyze reactions at a specific pH range

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6
Q

What is a spectrophotometer?

A

An instrument that analyses the amount of light that passes through a sample at various wavelengths

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7
Q

Does low pH favor H+ attachment or release? Why?

A

Attachment. Low pH means high H+ concentration, so to balance out the concentration, more H+ attach to the enzymes than release.

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