The first chart shows the effect of the normal breakdown of material from reactants to products. the second chart shows the same reaction but with an added modification.

which statement best describes the difference between the charts?

reaction a has an enzyme.
reaction b has an enzyme.
reaction a has an inhibitor.
reaction b has an inhibitor.

Reaction B has an enzyme.

Explanation:

An Enzyme is an biological substance that catalyzes (by speeding up) a biological chemical reaction.

IN NATURE, normal breakdown of material from reactants to products occurs. However, the addition of an enzyme will MODIFY the rate of the SAME reaction, only reducing the time taken in most cases.

Let the first chart be Reaction A, and the second chart be Reaction B.

Thus, the difference between reaction A and B, is simply that reaction B has an enzyme.

metals are good conductor of electricity. it has free electrons on their surface. according to electron pool theory, each atom present in a metal crystal losses all of its valence electron and as a result a pool of free is form. these pool of electrons are free to move and   conduct electricity easily   while making metal as good conductor.

the correct answer is a. the ability of electrons to flow throughout the metal.

if it's not useful, feel free to report for mistake in answer.

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