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If an enzyme produces too much of one substance in the organism, that substance may act as an inhibitor for the enzyme at the beginning of the pathway that produces it, causing production of the substance to slow down or stop when there is sufficient amount.

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Is a catalyst normally required in biochemical reactions?

Yes. A catalyst (AKA enzyme, in biochemical reactions) bonds to reactants and lowers the activation energy required for the reaction to take place. (It makes it require less energy to happen.) After the reaction is finished, the enzyme unbinds and can be reused. Catalysts are used to speed up biochemical reactions; for example, without enzymes, the food you ate a month ago wouldn't be digested and would still be sitting in your stomach today. Enzymes can be denatured (lose their shape) by extreme heat or acid. If it is denatured then it cannot perform a biochemical reaction.


An enzyme is a special kind of catalyst that works to do what?

An enzyme is a special kind of catalyst that works to accelerate chemical reactions by lowering the activation energy required for the reaction to occur. This allows reactions to happen at a faster rate, making biological processes more efficient.


Does enzyme is a protein that acts as a catalyst?

Yes, enzymes are proteins that act as biological catalysts, speeding up chemical reactions within cells by lowering the activation energy needed for the reaction to occur. This allows biochemical reactions to happen at a much faster rate than they would without enzymes.


What word means pertaining to the physical and chemical processes occurring in cells?

The word you are looking for is "biochemical." Biochemical processes refer to the chemical reactions and interactions that happen within living organisms, particularly within cells.


What would happen if a reactant molecule with a different shape to the enzyme came into contact with the enzymes active site?

If a reactant molecule with a different shape than the enzyme comes into contact with the enzyme's active site, it is unlikely to bind effectively. Enzymes have specific active sites that accommodate only particular substrates, a concept known as the "lock and key" model. If the shape does not fit, the molecule will not trigger the catalytic activity of the enzyme, and no reaction will occur. This specificity ensures that enzymes catalyze only the intended biochemical reactions.

Related Questions

What role do enzyme proteins play in catalyzing biochemical reactions within living organisms?

Enzyme proteins act as catalysts in living organisms, speeding up biochemical reactions by lowering the activation energy required for the reactions to occur. This allows the reactions to happen more efficiently and quickly, enabling essential processes such as metabolism, growth, and repair to take place in the body.


Is a catalyst normally required in biochemical reactions?

Yes. A catalyst (AKA enzyme, in biochemical reactions) bonds to reactants and lowers the activation energy required for the reaction to take place. (It makes it require less energy to happen.) After the reaction is finished, the enzyme unbinds and can be reused. Catalysts are used to speed up biochemical reactions; for example, without enzymes, the food you ate a month ago wouldn't be digested and would still be sitting in your stomach today. Enzymes can be denatured (lose their shape) by extreme heat or acid. If it is denatured then it cannot perform a biochemical reaction.


Where does splitting of water and oxygen happen?

The splitting of water and oxygen happens in the chloroplasts of plant cells during the light-dependent reactions of photosynthesis. This process, known as photolysis, is catalyzed by the enzyme complex photosystem II.


An enzyme is a special kind of catalyst that works to do what?

An enzyme is a special kind of catalyst that works to accelerate chemical reactions by lowering the activation energy required for the reaction to occur. This allows reactions to happen at a faster rate, making biological processes more efficient.


What does enzyme catalyzed reaction mean?

To catalyze a reaction means to speed it up. Enzymes speed up reactions by bringing together the chemicals that are needed to react, rather than waiting for them to "bump into" each other by chance. If it weren't for enzymes, most reactions in living cells would happen too slowly to be useful.


Does enzyme is a protein that acts as a catalyst?

Yes, enzymes are proteins that act as biological catalysts, speeding up chemical reactions within cells by lowering the activation energy needed for the reaction to occur. This allows biochemical reactions to happen at a much faster rate than they would without enzymes.


Does enzyme contains high sugar?

No. An enzyme is a chemical that speeds up chemical reactions without adding any energy to them. Sugar is an energy source that makes some chemical reactions happen. They are different things and work on different principles.


What word means pertaining to the physical and chemical processes occurring in cells?

The word you are looking for is "biochemical." Biochemical processes refer to the chemical reactions and interactions that happen within living organisms, particularly within cells.


What would happen if a reactant molecule with a different shape to the enzyme came into contact with the enzymes active site?

If a reactant molecule with a different shape than the enzyme comes into contact with the enzyme's active site, it is unlikely to bind effectively. Enzymes have specific active sites that accommodate only particular substrates, a concept known as the "lock and key" model. If the shape does not fit, the molecule will not trigger the catalytic activity of the enzyme, and no reaction will occur. This specificity ensures that enzymes catalyze only the intended biochemical reactions.


What is a consequence if the enzyme was missing from a chemical reaction?

Enzymes speed up chemical reactions, so therefore it wouldn't happen as fast.


What is the difference between the reaction with an enzyme and the reaction without an enzyme?

Enzymes speed up chemical reactions by lowering the activation energy required for the reaction to occur, allowing the reaction to happen more quickly. Without an enzyme, reactions may still occur but at a much slower rate due to the higher activation energy barrier.


What is the general function of enzymes in the human body?

they speed up chemical reactions