Exam 5 Review Energy and Energy Conversion

Front

What is the optimal temperature for enzyme activity?

Back

The optimal temperature for enzyme activity is typically around 40°C.

Front

What are enzymes?

Back

Enzymes are proteins that act as catalysts to speed up chemical reactions in biological processes.

Front

What are the products of cellular respiration?

Back

The products of cellular respiration are carbon dioxide and water.

Front

What are the reactants of photosynthesis?

Back

The reactants of photosynthesis are carbon dioxide and water.

Front

What must the active site of an enzyme do to catalyze a reaction?

Back

The active site must have a complementary shape to the substrate.

Front

True or False: Enzymes are consumed in the reactions they catalyze.

Back

False. Enzymes are not consumed; they can be used repeatedly.

Front

What is the role of an enzyme's active site?

Back

The active site is the region where substrates bind and undergo a chemical reaction.

Front

What happens to an enzyme when it is denatured?

Back

When an enzyme is denatured, its structure is altered, and it can no longer function properly.

Front

What is activation energy?

Back

Activation energy is the minimum energy required for a chemical reaction to occur.

Front

How do enzymes affect activation energy?

Back

Enzymes lower the activation energy required for reactions, making them occur more easily.