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Which best explains why an enzyme is able to catalyze a synthesis reaction? Enzymes tear molecules apart. Enzymes increase the reaction time and combine with the product. Enzymes promote a chemical reaction by increasing the activation energy. Enzymes lower the activation energy of metabolic reactions in the body.
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Asked 10/16/2012 8:03:39 AM
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User: Which best explains why an enzyme is able to catalyze a synthesis reaction? Enzymes tear molecules apart. Enzymes increase the reaction time and combine with the product. Enzymes promote a chemical reaction by increasing the activation energy. Enzymes lower the activation energy of metabolic reactions in the body.

Weegy: ... enzyme molecules ... activation energy) to start a metabolic reaction. Without enzymes, you would not be able ... [ catalyze (i.e., increase the rates of) chemical reactions. ]


User: Which best explains why a change in pH might affect the function of an enzyme? An enzyme is poisoned by a change in pH. An enzyme is denatured by a change in pH. The amount of substrate an enzyme must work on increases with a change in pH. The amount of substrate an enzyme must work on decreases with a change in pH.

Weegy: ... must exist between an enzyme and its substrate a ... pH. Deviations cause the enzyme to change ... enzyme becomes denatured. [ Some enzymes like thermolabile enzymes work best at ... ]


User: Which characteristic would least likely be used to describe an enzyme? It speeds up a reaction. It is consumed in the reaction. It reacts with a specific substrate. It reduces the activation energy of the reaction.

Weegy: ... activation energy of a chemical reaction. In this case, the enzyme catalase speeds up ... reaction. [ Stoichiometry is the term used to describe ... substrate into a specific ... ]


User: An enzyme works optimally at a pH between 2 and 4. Which best explains what will happen to this enzyme at a pH of 12? It will lose its original shape and work on new substrates. It will work on a different substrate than at a pH range of 2–4. It will lose its original shape and not work on any substrate at all. It will work on the same substrate as it did at a pH range of 2–4, but it will not work as well.

Weegy: It will lose its original shape and not work on any substrate at all. It will work on the same substrate as it did at a pH range of 2–4, but it will not work as well.
Expert answered|jeifunk|Points 7356|

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