Students did an experiment comparing the activity of four different enzymes, A, B, C̟, and D. The results are represented in the graph below. The Effect of pH on Enzyme Activity 1. Acid Base 14 pH A valid conclusion based on the information in the graph is that the pH of some enzymes changes as the temperature changes a difference in the pH of an environment changes enzyme activity enzymes change color in proportion to the rate of activity enzyme activity causes acids to change into bases over time Relative o of
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- Enzymes _______. a. enhance reaction rates b. are affected by pH c. act on specific substrates d. all of the aboveBased on the given question which of the following choices is the correct answer?A. The enzyme's activity continually increases as pH increases from 5.0 to 9.0B. The optimum pH of the enzyme is 5.8C. The optimum pH of the enzyme is 6.6D. The enzyme's activity is greater around pH of 8.0 than around pH of 5.0Choose only the letter, no explanation needed. Enzyme activity is affected by a variety of factors. What factor causes the enzyme to denature if it becomes extremely high? * Choices: A. Water's Effect B. pH C. Temperature D. Activator's Effect An inhibitor binds to the enzyme's active site, preventing the substrate from binding to it. What conclusions can you make from this situation? * A. No reaction occurred B. Non-competitive inhibition occurred C. Enzyme activity occurred D. Competitive inhibition occurred Each enzyme is very selective when it comes to its substrate. What can you conclude from this statement? * A. Any substrate can bind to the active site. B. Enzymes are used up in the reaction. C. Only a specific substrate can bind to the active site. D. Enzymes break down when not used. Lock : Key :: Active Site : _____________________________ * A. Substrate B. Active Site C. Coenzyme D. Cofactor Enzymes only speed up biological functions, so they are NOT used up in the…
- enzymes increase the rate of a chemical reaction by increasing the amount of activation energy needed decreasing the amount of activation energy needed decreasing the temperature increasing the temperature altering the chemical of substrates 2. which of the following is an example of quantitive data? the freshman class of the students contained 643 students, 372 males, and 271 females. the absorption peak of cobalt chloride was 510nm bromelain has optimal enzyme activity at a pH of 7 the color of cobalt chloride was pink the mass of the onion was 50 gramsThe statement that is not true about enzymes is...A. works optimally if it is in accordance with the required pHB. has active sites where enzyme reactions with substrates occurC. can work in all reaction temperature rangeD. can only work for certain reactionsE. is strongly influenced by reaction temperatureWhich of the following statements is not true about enzymes?* A. Enzymes are biological catalysts B. Enzymes as catalysts lowers the activation energy thus, speeds up the rate of reaction C. Enzymes are proteins D. Enzymes are highly specific E. None of the given options
- Based on the image attached, what can be concluded from the graph of enzyme activity? A. No enzyme activity recorded at pH 5.0 B. Optimum pH for enzyme activity between pH 5.0 to 5.8 C. The optimum pH for the enzyme is 6.6 D. Decreasing of enzyme activity due to inhibitorThe shape of the enzyme dictates how it reacts with other molecules in reactions. If anything happens to affect the shape of the enzyme, the reaction will either slow down or stop altogether. Which of the following factors can affect the shape of enzymes? Select all that apply.If a flask contained 2.5 mmol of starch and 1 mmol maltase with the appropriate temperature and pH for the enzyme, what would you expect to observe? Starch would not be broken down because maltase breaks down maltose. Starch would broken down into maltose. Maltose would be broken down because maltase breaks down maltose. answer not listed.
- In a highly high-temperature environment, you placed an enzyme and some substrates. You've seen that there hasn't been any reaction. Applying what you have learned on enzyme activity, how would you explain what occurred? A. The enzyme was not placed at a pH level that would allow it to react at its maximum rate. B. There are not enough enzymes for the reaction to occur. C. The enzyme may have denatured or broken down due to the high temperature of the environment, resulting in no reaction. D. There are not enough substrates for reaction to occur. Substrate concentration affects enzyme activity. Determine what would occur when there are too many substrates and fewer enzymes? A. No enzyme activity would occur. B. The reaction rate would continuously increase. C. The reaction would speed up tremendously. D. Maximal rate of reaction would occur. Enzyme activity mainly involves the active site and the substrate. How would you compare the active site from the substrate? A. The substrate…Which of the following statements regarding enzymes is true? A. Enzymes decrease the free energy change of a reaction. B. Enzymes cjange the direction of chemical reaction. C. Enzymes prevent changes in substrate concentrations. D. Enzymes increase the rate of a reaction. E. Enzymes are permanently altered by the reactions they catalyze.Which of the following statements about enzymes are true? Choose all that apply. Group of answer choices: a) Enzymes are nonspecific b) Enzymes speed up the rates of chemical reactions c) Enzymes require a lot of energy to synthesize d) Enzymes are not important in biological systems E) Reactants in enzyme-catalyzed reactions are called substrates F) Enzymes lower the activation energy of reaction G) Enzymes change ∆G of reactions H) One enzyme usually catalyzes many types of reactions I answered for letters , B, E, anf F, and got a 1.5 out of 2, so I am missing one. Thank You!