Question

The potato placed in vinegar produced _________.

more bubbles than the control because the high temperature improved the function of catalase
the same amount of bubbles as the control because temperature does not have much of an effect on enzymes
no bubbles because the high temperatures denatured the enzyme so it was no longer able to function
less bubbles than the control because the shape of the active site was changed

Byu 2021 biology part 1 Enzyme Potato Lab Quiz

Answer 1

Answer:

Most living tissue contains catalase. We can use potatoes to help see catalase work because bubbles of oxygen form when we put potatoes into hydrogen peroxide.

Explanation:

As catalase decomposes hydrogen peroxide into water and oxygen gas, bubbles of oxygen collect on the disk. When the density of the combined paper/enzyme/O2 is less than the solution the disc will rise to the surface.

Answer 2

The potato placed in vinegar produced more bubbles than the control because the high temperature improved the function of catalase.

• Catalases break hydrogen peroxide into oxygen and water.

What is catalases?

• It is an enzyme found nearly in all living organisms exposed to oxygen.
• They catalyzes the decomposition of hydrogen peroxide to water and oxygen.

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