Be sure to solve all parts otherwise I will downvote 18. Which one of the following factors should be on the x-axis of the graph to accurately describeenzyme reaction rate?а. pHb. temperaturec. enzyme concentrationd. substrate concentrationCH,19. The structure shown to the right is a (nucleic acid / nucleotideNHneither). It contains (ribose / deoxyribose / neither), and thenitrogenous base is a (purine / pyrimidine / neither).-o-CH2ÓH20. Write the nucleotide sequence of the RNA formed from a segment of DNA, if the DNA templatestrand is: 5'- A CTGGA-3'.Be sure to indicate which is the 5' end and which is the 3' end21. Pyruvate can be converted into three possible products depending on the conditions and theorganism. Describe two of these products along with the conditions that lead to their formation.Reaction Rate

Enzymes are the biological catalysts that fasten the rate of chemical reactions. They are neither…

18. Which one of the following factors should be on the x-axis of the graph to accurately describe enzyme reaction rate? a. pH b. temperature c. enzyme concentration d. substrate concentration CH 19. The structure shown to the right is a (nucleic acid / nucleotide / neither). It contains (ribose / deoxyribose / neither), and the nitrogenous base is a (purine / pyrimidine / neither). NH. CH2 OH 20. Write the nucleotide sequence of the RNA formed from a segment of DNA, if the DNA template strand is: 5'- AC TGGA-3'. Be sure to indicate which is the 5' end and which is the 3' end 21. Pyruvate can be converted into three possible products depending on the conditions and the organism. Describe two of these products along with the conditions that lead to their formation. Reaction Rate

18. Which one of the following factors should be on the x-axis of the graph to accurately describe enzyme reaction rate? a. pH b. temperature c. enzyme concentration d. substrate concentration CH 19. The structure shown to the right is a (nucleic acid / nucleotide / neither). It contains (ribose / deoxyribose / neither), and the nitrogenous base is a (purine / pyrimidine / neither). NH. CH2 OH 20. Write the nucleotide sequence of the RNA formed from a segment of DNA, if the DNA template strand is: 5'- AC TGGA-3'. Be sure to indicate which is the 5' end and which is the 3' end 21. Pyruvate can be converted into three possible products depending on the conditions and the organism. Describe two of these products along with the conditions that lead to their formation. Reaction Rate

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter6: Energy, Enzymes, And Biological Reactions

Section: Chapter Questions

Problem 6TYK: Which of the following methods is not used by enzymes to increase the rate of reactions? a. covalent...

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In the following graph: A represents the product. B represents the energy of activation when enzymes are present. C is the free energy difference between A and D. C is the energy of activation without enzymes. E is the difference in free energy between the reactant and the products.
Which of the following methods is not used by enzymes to increase the rate of reactions? a. covalent bonding with the substrate at their active site b. bringing reacting molecules into close prosimity c. orienting reactants into positions to favor transition states d. changing charges on reactants to hasten their reactivity e. increasing fit of enzyme and substrate that reduces the energy of activation
1) Explain how an enzyme could distinguish between the (now circled) equivalent positions in the above compound. Provide an illustration showing your argument.
1. The concentration of substrate X is high. What happens to the rate of the enzyme-catalyzed reaction if the concentration of substrate X is reduced? Explain. 2. An enzyme has an optimum pH of 7.2. What is most likely to happen to the activity of the enzyme if the pH drops to 6.2? Explain
47. Which of the following is true under the following conditions: The enzyme concentration is 5 nM, the substrate concentration is 5 mM, and the KM is 5 mM. (1 nM = 10-9 M, 1 μM=10-6 M, 1 mM = 10-3 M) Group of answer choices Between 0% and 50% of active sites have substrate bound 0% of active sites have substrate bound 50% of active sites have substrate bound 100% of active sites have substrate bound Between 50% and 100% of active sites have substrate bound
1. Which of the following options is a viable way to increase the Vmax of an enzymatic reaction? Increase the amount of substrate present. Increase the amount of enzyme present. Decrease the temperature of the reaction. Decrease the Km of the enzyme.
1.The class of enzyme that catalyzes addition of a group to a double bond is? oxidoreductases lyases ligases isomerases hydrolases transferases 2. Suppose an enzyme and its substrate obey the lock and key model of enzyme catalysis. Which of the following would be true of the enzyme? the active site of the enzyme must be rigid the active site of the enzyme must be flexible only one substrate could be converted to product by the enzyme the enzyme could bind different substrates if the substrates shared a common motif somewhere in their structures the entire enzyme must be rigid 3. Which of the following enzymes is found in blood serum and is diagnostic of prostate cancer if enzyme levels are elevated? alanine aminotransferase phosphohexose isomerase lactate dehydrogenase acid phosphatase alkaline phosphatase 4. A blood test returns elevated aspartate aminotransferase levels. You suspect that the patient has suffered a heart attack. What other serum enzyme level of…
5. a) Why would an enzyme that is effective with one reaction have no effect on another reaction?
1. What is the significance of the effect of enzyme concentration to enzyme activity in relation to the medical aspect? a. A person with fever cannot eat well and may suffer from indigestion b. A person with hyperacidicity experience vomiting upon taking milk c. Abnormal level of diagnostic enzymes indicate damage in the body tissues d. Too much hydrogen peroxide in the body forms free radicals if not decomposed by peroxidase 2. What is the relation of the effect of temperature on enzyme activity to the medical field? a. To explain the cause why a feverish person cannot eat b. To explain why drinking carbonated leaves a fizzing sensation in our tongue c. To explain the cause why milk should not be taken by hyperacidic individual d. To explain why bubbles are formed when cleaning wounds with hydrogen peroxide 3. What reaction was involved in the determination of Vitamin C content of fruits? a. Oxidation…
In an enzymatic reaction: a. the enzyme leaves the reaction chemically unchanged. b. if the enzyme molecules approach maximal rate, and the substrate is continually increased, the rate of the reaction does not reach saturation. c. in the stomach, enzymes would have an optimal activity at a neutral pH. d. increasing temperature above the optimal value slows the reaction rate. e. the least important level of organization for an enzyme is its tertiary structure.
The assembly of proteins from amino acids is best described as: a. a conversion of kinetic energy to potential energy reaction. b. an entropy reaction. c. a catabolic reaction. d. an anabolic reaction. e. an energy-free reaction.
______ are always changed by participating in a reaction. a. Enzymes b. Cofactors c. Reactants d. Coenzymes