Now, adjust the temperature. What happens when you increase the temperature (1 point)? What happens if you decrease the temperature (1 point)? Do either of the enzymes become denatured with temperature? If so, at what temperatures (1 point)?

Question

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3 points
1.
2.

Answer 1

1. Increasing the Temperature: When you increase the temperature, the kinetic energy of the molecules increases, which can lead to an increase in the rate of enzyme activity up to a certain point. This happens because the higher temperature causes more frequent collisions between the enzyme and substrate, facilitating the formation of the enzyme-substrate complex.

2. Decreasing the Temperature: When you decrease the temperature, the kinetic energy of the molecules decreases, which can slow down the enzyme activity. This reduction in kinetic energy means fewer collisions between the enzyme and substrate, leading to a decrease in the rate of the reaction.

3. Denaturation of Enzymes: Yes, enzymes can become denatured with temperature changes. Most enzymes have an optimal temperature at which they function best, often around 37°C for human enzymes. Typically, temperatures above 50-60°C can lead to denaturation, causing the enzyme to lose its three-dimensional structure and, consequently, its activity. However, the specific temperature at which denaturation occurs can vary depending on the enzyme.

Answer 2

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Answer 3

1. Increasing Temperature: Increases the rate of enzyme activity due to higher kinetic energy and more frequent collisions, up to a certain point.

2. Decreasing Temperature: Slows down enzyme activity due to lower kinetic energy and fewer collisions.

3. Denaturation: Enzymes can denature at high temperatures, typically above 50-60°C, causing loss of function. The optimal temperature is usually around 37°C for many human enzymes.