Use the graph and diagram below to answer the question.
Part A Explain how enzyme A acts as a catalyst in the reaction. Be sure to include energy and time in your answer.
Part B Conditions around an enzyme change and affect the shape of the enzymes active sites. Predict how this would affect the enzymes ability to catalyze the reaction.

The chemical reactions need the initial amount of energy to proceed with the reaction. The initial required energy is called the activation energy. The activation energy is very high for the reactions to occur and the rate of reaction would be slow. The enzyme or biocatalyst, lower the activation energy of a reaction and increase the rate of reaction. Thus, enzyme A in the question reduces the time of a reaction by lowering the activation energy.

Part B

For the catalytic function, the enzyme binds substrate on its active site. The actives on enzymes are specific for the substrates to a chemical reaction. The binding of the substrate with the active site is very sensitive to changes in the enzyme’s environment. Factors such as a change in temperature and pH may affect the active site and enzyme function.

pstnonsonjoku pstnonsonjoku · Answer 2 · 2021-10-27T10:09:10+02:00

Enzymes are biological catalysts which fit into their substrates in a lock and key model.

Enzymes are biological catalysts that promote various biochemical reactions in the body. Enzymes are proteins and they fit their substrate in a lock and key model.

The enzyme A acts as a catalyst in the reaction by lowering the energy barrier between reactants and products called the activation energy. When this occurs, the reaction time is decreased because equilibrium is achieved within a shorter time interval.

Enzymes are able to fit into their substrate because they have a similar shape with the substrate. When the shape of the enzyme's active sites changes, the catalytic ability of the enzyme becomes impossible because it can no longer fit into its substrate as a lock fits into a key.

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