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 Activity1.AcidBase14pHA valid conclusion based on the information in the graph is thatthe pH of some enzymes changes as the temperature changesa difference in the pH of an environment changes enzyme activityenzymes change color in proportion to the rate of activityenzyme activity causes acids to change into bases over timeRelativeo of

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

Answered: Students did an experiment comparing…

Phlebotomy Essentials

6th Edition

ISBN:9781451194524

Author:Ruth McCall, Cathee M. Tankersley MT(ASCP)

Publisher:Ruth McCall, Cathee M. Tankersley MT(ASCP)

Chapter1: Phlebotomy: Past And Present And The Healthcare Setting

Section: Chapter Questions

Problem 1SRQ

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Based on the given question which of the following choices is the correct answer?A. When an enzyme catalyzes a reaction, it increases the activation energy of the reactionB. When an enzyme catalyzes a reaction, it decreases the activation energy of the reactionC. When an enzyme catalyzes a reaction, it increases the activation energy of the productD. When an enzyme catalyzes a reaction, it does not affect the activation energy of the reaction.
Which of the following statements is TRUE regarding the structure of enzymes? The shape of enzymes change to fit all types of substrates. O Enzymes are usually lipids. O Enzymes are denatured once they are used in a chemical reaction. O The active site is where the enzyme binds with the substrate.
Enzymes will Question 29 options: lower the free energy of a reaction raise the activation energy of a reaction raise the free energy of a reaction lower the activation energy of a reaction
Enzymes work by lowering the energy of activation. True O False QUESTION 10 The enzyme stabilizes the transition-state complex more than it stabilizes the substrate complex. O True O False QUESTION 11 Which of the following statement is FALSE ? pKa values of active site residues can be shifted from typical pKa values Enzymes increase Keq Near attack complexes have reacting molecules close enough to form Va der Waals contacts O The transition state contains at least one partial bond. QUESTION 12 The angle m in a peptide best describes: it Glick Save All Answers to save all answers. 78 F Mostly cioudy
What is the item labeled "C" in the above figure? The reactant The substrate The active site The transition state The product
Which of the following factors affect enzyme activity? a. All of the mentioned answers are correct O b. Substrate concentration Oc. Temperature O d. pH
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 grams
The diagrams show a protease enzyme catalysing the breaking of part of a protein molecule into smaller pieces. Which diagram has three correct labels? O A OB C O D substrate enzyme substrate S enzyme product active site product enzyme B substrate D active site g product active site
Do enzymes act better under acidic or alkaline pHs? Explain your answer
A biologist investigating enzyme function plotted the activity of a particular enzyme (y-axis) vs pH (x-axis). Experiment A was performed at 30 oC, experiment B at 10 oC and experiment C at 100 oC. Experiments A, B, and C all used the same type of enzyme, they simple tested the enzyme's activity at different temperatures. Using your knowledge of enzyme activity, answer the questions based on the results shown in the graph. (Answer question B) Graph included B. Why is there no hill in the middle of line C?
Can you think of anywhere in the human body where enzymes would work BEST at a high pH?
amylase starch (glucose chains) Answers: maltose maltase glucose 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? Selected Answer: Starch would broken down into maltose. 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.

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