In chemical reactions involving two or more substrates, how can mere binding of substrates to an enzyme active site affect the rate of a reaction?
Q: which reaction is not possible in biological system?
A: The reaction that takes place inside a biological system is called a biological reaction. A…
Q: List the four factors that influence the rate of a chemical reaction and state whether increasing…
A: The speed of consumption of reactants or the formation of products in a reaction per unit of time is…
Q: If the shape of an enzyme’s active site were to change, what would happen to the reaction that the…
A: An enzyme is a protein molecule which helps to increase the chemical metabolic reactions inside the…
Q: What does an enzyme change in chemical reactions?
A: Enzymes growth the rate of chemical reactions by lowering the activation power required for the…
Q: An enzyme lowers the activation energy required for a chemical reaction.True or false?
A: Enzymes are proteins that act as biological catalysts. The enzymes accelerate the biochemical…
Q: As you know, enzymes are not changed in chemical reactions. If enzymes were changed or were used up…
A: Enzymes are biocatalysts that speed up chemical reactions, digestion and metabolism. They are…
Q: This reaction is exergonic because the reactants have more potential energy than the products.
A: the exergonic reaction is a kind of reaction when energy is released.
Q: What term describes the alteration of an enzyme’s structure? What factors in addition to temperature…
A: The enzyme is a catalytic substance that helps in the physiological functions of the body. It is…
Q: If an enzyme does not alter the equilibrium constant of areaction, how does it speed up the…
A: Enzymes are a kind of protein that serves as a biological catalyst (biocatalysts). Chemical…
Q: Which of the following statements about enzymes or their function is true?
A: Enzymes are highly specialized proteins that have extraordinary catalytic power, greater than that…
Q: Briefly discuss three (3) reasons why enzyme reactions are better than its chemical reactions…
A: Enzymes are the biocatalyst that increases the rate of reaction without itself being changed or used…
Q: A molecule that has the effect of increasing the Vmax of a reaction upon binding to an enzyme, with…
A: On binding of competitive inhibitor:- v max stays same and km increase On binding of non-…
Q: what is the first step in an enzyme-catalyzed reaction? a. formation of enzyme-substrate complex…
A: Biomolecules are organic molecules present in living organisms. There are mainly four main…
Q: Of the three thermodynamic quantities, enthalpy, free energy, and entropy, which provides the most…
A: A spontaneous reaction is a reaction that favors the formation of products at the conditions under…
Q: Which biomolecule is the structure of enzymes made of? Why is it necessary for a cell to control…
A: Proteins (PP 12) Proteins functions as enzymes (which catalyze responses), underlying components,…
Q: In terms of potential and kinetic energy where does the energy comes from that allows an enzyme to…
A: Biochemical reactions are the reactions that take place within the cells in all living organisms.…
Q: Why does increasing concentration generally increase the rate of a reaction?
A: The rate of reaction or reaction rate is the speed at which reactants are converted into products.…
Q: Describe three functions of coenzymes in enzyme activity.
A: Coenzyme is an organic cofactor.
Q: How does an enzyme lower the activation energy of a reaction? Draw a graph showing the difference of…
A: The enzyme is the proteinaceous molecule that helps in the speeding up of any chemical reaction in…
Q: How can you change the ability of an enzyme to catalyze a reaction, write two different points.
A: Enzymes are called as Biological Catalysts or Biocatalysts, simply because they catalyze or…
Q: What does it mean when we say that two reactions are coupled?
A: The two reactions are coupled means -the energy provided by an exergonic reaction is either released…
Q: Why does the activation energy of a reaction not appear in the final Δ G of the reaction?
A: The activation energy ΔG‡ is the energy difference that exists between the reactants and the…
Q: Describe two catalytic mechanisms of enzymes
A: The rate of a reaction is directly proportional to the enzyme concentration present. The enzymes…
Q: What do enzymes change about the amount of energy required to make chemical reactions occur?
A: The question is about the amount of energy required to bring the occurrence of chemical reactions.
Q: What is meant by the term activation energy?
A: Enzymes are the catalytic protein, which is required to catalyze the chemical reaction.
Q: Explain why a chemical reaction needs more activation energy when there isn't an enzyme acting as a…
A: Introduction Enzymes are proteins that act as biological catalysts. Catalysts aid in the…
Q: If you graph the amount of product formed as a function of time during a chemical reaction, you see…
A: Answer : The concentrations of reactants slowly decreases.
Q: What does a catalyst do? Explain the role of enzymes in biological reactions.
A: Enzymes are the biomolecules that act as a catalyst to carry out the specific chemical reaction that…
Q: Can a chemical reaction takes place without the application of enzyme or catalyst? Why or why not?
A: Introduction: A chemical reaction is a change in which one or more substances undergo conversion to…
Q: Enzymes sometimes work as a key that opens the lock, if enzyme is the key then what is the…
A: Enzymes are the catalysts that elevate the pace of chemical reactions that occur within the living…
Q: Explain why an enzyme can catalyze a chemical reaction involving just oneenantiomer of a compound.
A: An enzyme is a substance that acts as a catalyst in living organisms, regulating the rate at which…
Q: The first and second laws of thermodynamics are useful for biochemists who investigate chemical…
A: The law of thermodynamics rules mostly all the chemical processes in organisms. The first law of…
Q: Reactions that are energetically unfavorable can proceed on their own..
A: Energetically unfavorable reactions are the ones that are paid for by linked, energetically…
Q: Substrates bind to an enzymes site
A: Enzymes are biocatalysts that speed up the rate of a chemical reaction inside the body. The enzymes…
Q: Why do some reactions in metabolic pathways occur, even though the change in standard free energy is…
A: Metabolic pathways are defined as the set of chemical reactions occurring in the body. Metabolic…
Q: How does INCREASING temperature affect the rate of reaction (how fast the reaction occurs)?
A: Rate of a reaction, in addition to the product produced and having an uninterrupted supply of…
Q: The sum of all the reactions in a living organism is called its _____________.
A: Living organisms function with the help of a set of chemical reactions that sustains their mere…
Q: In terms of energy, how does an enzyme speed up a biochemical reaction
A: Enzymes are highly specialized proteins that have extraordinary catalytic power, greater than that…
Q: If a reaction is spontaneous, does that mean it will be fast?
A: Introduction: A spontaneous reaction is the one that occurs on its own. However, it has nothing to…
Q: What energy requirements must be met in order for a reaction to be favorable?
A: The rate law or rate equation for a chemical reaction is an equation that links the initial or…
Q: chemical reations that release energy are called_______________reaction?
A: The process that involves the conversion of a substance into another substance is called a chemical…
Q: What is the most common form of kinetic energy that is released from chemical energy in chemical…
A: Kinetic energy is the energy which is released in the form of thermal energy from the chemical…
Q: A catalyst does not alter the difference in the energy contents of the reactants and products. True…
A: Catalysts are substances such as solids, liquids, and gases that speed up chemical processes and are…
Q: Which is the proper definition of equilibrium, with respect to a biochemical reaction? O a. There is…
A: The type of chemical reactions occurring within a cell are known as biochemical reactions. The…
Q: Which of the following statements about enzymes are true.
A: The chemical reaction that occurs within all living organisms is regulated through enzymes. Enzymes…
Q: Describe the relations between the enzyme catalysis of a reaction, the thermodynamics of the…
A: Transition state is a very short-lived configuration of atoms at a local energy maximum in a…
Q: Wolfenden has stated that it is meaningless to distinguish between the “binding sites” and the…
A: Binding sites : It is a position on a protein that binds to an incoming molecule that is smaller…
Q: Why is ATP alone not an effective allosteric regulator of enzyme activity?
A: Allosteric regulation is a type of regulation in which a regulator binds to the enzyme and controls…
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- An enzyme lowers the activation energy required for a chemical reaction.True or false?Does an enzyme-mediated reaction need the same, more, or less activation energy than the same reaction occurring without the presence of the enzyme? Explain why.If the shape of an enzyme’s active site were to change, what would happen to the reaction that the enzyme usually speeds up?