AP Biology: Unit 3 Enzymes

AP Biology: Unit 3 Enzymes

Assessment

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Biology

9th - 12th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What effect does an increase in temperature have on the rate of enzyme reactions?

Back

An increase in temperature increases the speed/kinetic energy of particles, leading to more frequent collisions between enzymes and substrates.

2.

FLASHCARD QUESTION

Front

What type of reaction is characterized by the breakdown of larger molecules into smaller ones?

Back

Catabolic reaction.

3.

FLASHCARD QUESTION

Front

Where does the substrate bind on an enzyme?

Back

The substrate binds at the active site of the enzyme.

4.

FLASHCARD QUESTION

Front

What is the optimum pH for enzyme activity?

Back

The optimum pH is the pH at which an enzyme exhibits maximum activity; for some enzymes, this may be around 6.6.

5.

FLASHCARD QUESTION

Front

What happens to enzyme activity at high temperatures?

Back

Enzyme activity declines due to denaturation, which alters the enzyme's structure.

6.

FLASHCARD QUESTION

Front

Define denaturation in the context of enzymes.

Back

Denaturation is the process where an enzyme loses its functional shape due to external stressors like high temperature or extreme pH.

7.

FLASHCARD QUESTION

Front

What is the role of the active site in enzyme function?

Back

The active site is the region on the enzyme where the substrate binds and the reaction occurs.

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