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Enzymes are biological catalysts that accelerate chemical reactions by lowering the activation energy required for the reaction to occur. They bind to specific substrates, facilitating the transformation into products while remaining unchanged themselves. This efficiency allows biological processes to occur at rates necessary for life, often under mild conditions like those found in living organisms.

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5d ago

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Which best describes the role of enzymes in chemical reactions?

Enzymes are biological catalysts that speed up chemical reactions by lowering the activation energy required for the reaction to occur. They do this by bringing together specific molecules in the correct orientation to promote the reaction. Enzymes are highly specific to their substrates and play a crucial role in regulating metabolism within cells.


Which statement best explains how enzymes speed up chemical reactions?

Enzymes speed up chemical reactions by lowering the activation energy needed for the reaction to occur. This allows the reaction to happen more quickly, as enzymes provide an alternative pathway with a lower energy barrier for the reaction to proceed. Ultimately, enzymes help substrates to reach the transition state more easily, facilitating the reaction.


Which statements best describes what happens during a chemical reaction?

Chemical bonds are broken and new ones are formed


What is a statement that best describes an enzyme?

Enzymes are biological molecules that act as catalysts to increase the rate of chemical reactions in living organisms by lowering the activation energy needed for the reaction to occur. They are specific in their function and often end in "-ase".


Why is it essential that blood stay at a slightly alkaline reaction?

Enzymes are substances that speed up chemical rections in the body. Most enzymes have a specific pH range in which they function best. Most enzymes in blood must be working best at an alkaline reaction. Thus, the body maintains an alkaline pH.


Best explains how enzymes speed up chemical reactions?

Enzymes speed up chemical reactions by lowering the activation energy required for the reaction to occur. They do this by bringing the reacting molecules closer together and providing an alternative pathway for the reaction to follow. This allows the reaction to proceed more quickly and efficiently than it would without the enzyme.


Which term best describes lactase?

Enzymes


What statement best describes the role of gametocytes in the spread of malaria?

they cause a chemical reaction that alters human scent


What phrase best describes a exothermic chemical reaction?

A chemical change that gives off heat. Burning paper would be an example.


What are the similarities and difference between enzymes and chemical catalyst?

so the similarity is that they both speed up the reaction and both have special temperatures they best work at the only difference between them is that enzymes are found in humans and are not made by humans on particular purpose,whereas chemical catalysts are made by people and are not naturaly developed


Why do we use enzymes more than one time?

Enzymes are catalysts and as such play no direct part in a chemical reaction. Enzymes provide active sites for chemical reactions to take place on. They are specific and work best in a narrow band of optimal conditions.Catalysts of all sorts have 2 major advantages of a chemical reaction without them:they speed up the chemical reaction dramaticallythey are reusableAs they are not used up in the reaction new enzymes do not need to be constantly produced which reduces the pressure on resources in the body. It would be wasteful to have to constantly make new enzymes. Similarly in industry it makes economic sense to use catalysts because they can be used over and over.


What statement best describes the role of enzyme?

Enzymes act as biological catalysts that speed up chemical reactions by lowering the activation energy required for the reaction to occur. They are specific in their function, recognizing only particular substrates, and they are not consumed or changed during the reaction. This allows them to be used repeatedly in cellular processes.