A group of students is conducting a lab investigation on a chemical reaction. An enzyme is present during the chemical change, and the reaction rate is recorded at various temperatures. Their results are graphed below. What would be the most likely explanation of these results? A The investigation was flawed and should be repeated. B The reaction is complete. OThe enzyme was removed from the reaction. D The enzyme began to lose the ability to function at higher temperatures. temperature reaction rate

Q: Choose the best answer for the following question? The gain of electrons by a molecule is calleda.…

A: Atoms are the smallest unit of matter that together form molecules and compounds. The components of…

Q: You are working on a lab activity, and raise the temperature of the enzyme in the experiment. You…

A: enzymes are protein molecules which helps in catalyzing biological reactions . they are usually…

Q: Enzymes catalyze chemical reactions by which of the following?a. lowering the energy of activation…

A: Enzymes which do chemical reaction for growth and development of the body is also made up of…

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: Which statement about enzymes is true? An enzyme functions to decrease the rate of a chemical…

A: Enzymes are substances that catalyse biological reactions. They are proteins that act as biological…

Q: Which of the following is not true about enzymes?a. They are consumed by the reactions they…

A: The catalyst is a type of substance that increases the assessment of a chemical reaction. It does…

Q: Which of these statements about enzymes is true? a,Most proteins are enzymes. b.Most enzymes are…

A: Enzymes are Biocatalyst which are involved in increasing the rate of chemical reaction in the cell…

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: Each enzyme is able to promote only one type of chemical reaction. The compounds on which the enzyme…

A: Introduction Enzyme activity:- It is a measure of the quantity of active enzyme present and is thus…

Q: Which of the following best explains why enzymes are necessary for many cellular reactions?

A: Enzymes are protein molecules that are made up of amino acids attached together via peptide bonds.…

Q: A proteinaceous molecule that catalyzes chemical reactions without being changed itself is known as…

A: The proteins are the polymers of amino acids. It is composed of an amino group, a carboxyl group, a…

Q: Factors that affect the activity of an enzyme molecule includea. the potential energy stored in the…

A: Enzymes can be defined as proteins that will act as biological catalysts or biocatalysts). Catalysts…

Q: Choose the best answer for the following question? The sum of all the chemical reactions in a cell…

A: Cell is the basic unit of life. A cell consist of nucleus, cytoplasm and cell membrane.Nucleus is…

Q: The human body maintains a temperature of around 98.6 degrees at all times. Enzymes are involved in…

A: We know, Enzymes are also known as bio catalysts, like catalysts they alter the rate of reaction…

Q: Explain the difference in progress between a chemical reaction involving an enzyme and one not…

A: Introduction  Proteins that serve as biological catalysts are known as enzymes. Catalysts help to…

Q: The reason for the increase in the rate of an enzyme reaction when the temperature is increased is…

A: The increase in the rate of Enzyme reaction is due to the increase in kinetic energy and the…

Q: Which of the following statements are (is) true about enzymes: O a. They increase AG of reactions. O…

A: Catalysts are the molecules that speed up chemical reactions. Enzymes are the biocatalysts that…

Q: Enzymes provide activation energy for the chemical reactions. *       A. True       B. False

A:

Q: In a chemical reaction occurring in a cell, free energy is equivalent to (a) heat energy (b) heat…

A: The option (d) is correct.

Q: A chemical reaction that has a negative AG is best described as a Exothermic. b Endergonic. c…

A: The change in Gibbs free energy, ΔG depends upon the change in enthalpy(ΔH) and entropy(ΔS). ΔGo =…

Q: Choose the best answer for the following question? Enzymes catalyze chemical reactions by which of…

A: Enzymes are biological catalysts that have the ability to increase the rate of metabolic reactions…

Q: Which of the following is not true about enzymes: a. They increase ΔG of reactions. b. They are…

A: Enzymes are the protein molecules that act as a catalyst to increase the rate of reactions without…

Q: Entropy is a term used to indicate the relative amount ofa. organization. b. disorganization. c.…

A: Entropy is used to measure the disorder within a macroscopic system. According to the law of…

Q: Give three characteristics of enzymes and describe how they permit chemical reactions to occur in…

A: Enzymes are protein molecules except for the ribozyme which is made up of RNA. Proteins are composed…

Q: Students did an experiment comparing the activity of four different enzymes, A, B, C̟, and D. The…

A: Enzymes are protein molecules which acts as a catalyst and speed up the reaction when they act on…

Q: . All of the following are the properties of enzymes except: A. Enzymes are stereospecific catalysts…

A: Enzymes are catalyst used in biological reactions. Most of the enzymes are protein except Ribozymes.…

Q: The reason for the decrease in the rate of enzyme reaction as the temperature is increased beyond…

A: An enzyme is a substance which serves as a catalyst in living things, governing the rate of chemical…

Q: Students did an experiment comparing the activity of four different enzymes, A, B, C, and D. The…

A: Enzymes are protein molecules which acts as a catalyst and speed up the reaction when they act on…

Q: An organic molecule that catalyzes a chemical reaction, without itself becoming used up or consumed,…

A: About 99% of the substances of all living things are made up of four elements, namely, hydrogen,…

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: Which of the following choices BEST describes metabolism?   a. breakdown of biomolecules b.…

A: In biochemistry, metabolism is defined as the various biochemical reactions which are essential for…

Q: Which of the following is NOT true of enzymes? a) They may interact chemically with their…

A: Those substances that increase the rate of the chemical reaction without undergoing any change to…

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: hich of the following statements regarding enzymes is true? A. Enzymes decrease the free energy…

A: Enzymes are the biological catalysts. It is a type of protein found within a cell. Enzymes HELP IN…

Q: A chemical reaction is more likely to occur spontaneously if A. the products of the reaction are…

A: For a reaction to occur spontaneously, the free energy change i.e delta G should be negative meaning…

Q: Choose the best description of an enzyme: (a) It allows a chemical reaction to proceed extremely…

A: Enzyme are biocatalyst molecules that increases the rate of reaction by binding to the transition…

Q: Which of the following best describes the relationship between an enzyme and a substrate   a. stable…

A: Given: All enzymes are chemically made-up of proteins .Enzymes are the largest and most specialised…

Q: Which of the following statements is NOT true?   None of the other four answers (all are true)…

A: The energy required to break and make new bonds is known as activation energy. The reaction will…

Q: Enzymes speed up a reaction by: Select one: a. Decreasing the amount of activation energy needed to…

A: Enzyme are substances that are proteinaceous nature and tend to fasten the rate of reaction when…

Q: Enzymes act by: a. increasing the activation energy for a reaction b. lowering the activation energy…

A: An enzyme has the ability to attract the substrate to the active site which further results in the…

Q: Which of the following factors affect enzyme activity? O a. All of the mentioned answers are correct…

A: Enzymes are biological catalysts that increases the rate of chemical reaction without itself being…

Q: How do chemical and nuclear reactions differ in(a) Magnitude of the energy change?(b) Effect on rate…

A: A chemical reaction is defined as the alteration of a chemical substance into a new chemical…

Q: An enzyme A is most active at 37oC. Which of the following change will increase the activity of A?…

A: Enzymes are catalysts that are globular proteins. These catalysts influence the rate of a reaction…

Q: which of the following are true regarding chemical equilibrium (choose all that are true)  a.…

A: When the concentration of both reactant and product is the same in the chemical reaction, it is…

Q: what are the effects of pH (acids and bases) on enzyme activity

A: Enzymes are biocatalysts that speed up the reaction rate by lowering the activation energy. They…

Q: Which of the following is not true of enzymes? O Their function depends on their three-dimensional…

A:

Q: How are enzymes used in medicine? Explain. What factors influence enzyme activity? Explain.

A: Enzymes are the agents that catalyze several biochemical reactions. They are biocatalysts that speed…

Q: Beginning physics students are often taught the basicconcepts of thermodynamics with two phrases:…

A: Introduction A thermodynamic system is a body of matter and/or radiation that is separated from its…

Q: Based on the given question which of the following choices is the correct answer? A. The enzyme's…

A: Enzymes are protein molecules that increase the rate of reaction by decreasing the activation energy…