Enzyme Function and Temperature Effects Quiz

What is the primary function of enzymes in biological systems?

• To change the color of substances

• To speed up chemical reactions

• To slow down chemical reactions

• To provide energy for reactions

What does the graph in the video illustrate about enzyme activity?

• Enzyme activity increases with increasing temperature up to a certain point

• Enzyme activity remains constant regardless of temperature

• Enzyme activity is not affected by temperature

• Enzyme activity decreases with increasing temperature

At what temperature is enzyme activity at its peak according to the video?

• 50 degrees

• 20 degrees

• 40 degrees

• 30 degrees

What happens to an enzyme when it becomes denatured?

• It speeds up its activity

• It changes its shape and loses function

• It becomes more efficient

• It remains unchanged

At what temperature does the video indicate that enzymes become completely denatured?

• 50 degrees

• 70 degrees

• 60 degrees

• 80 degrees