4.35ll LTE OQuestion 51 ptsWatch how the enzyme doesthe chemical reaction. Without thisenzyme, the substrate can't turninto the broken product!ProductsLook at the picture below anddescribe the enzyme-catalyzedreaction.SiteEnzyme-substratecomplexEnzymeProductEnzyme1. The substrates bond to theenzyme'sproduct2. A structure known as an"enzyme-substrate complex" isformed when they are connected.3. The enzyme has turned thesubstratęs into a(n)[ Select ]

These are multiple choice questions.

Answered: 1. The substrates bond to the enzyme's…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Select all statements that are true about enzymes. 1.They are always proteins 2.They form a temporary intermediate compound with a substrate. 3.They all function optimally at 37C 4.Enzymes have different properties 5.They can be denatured if the pH of their environment is too high
11. Compound X permanently bind by covalent bonds to allosteric site of enzyme C thus completely shutdown the reaction enzyme C. Compound X is best predicted as O A. Activator O B. Competitive inhibitor C. Non competitive reversible inhibitor D. Non competitive irreversible inhibitor 12. There are some terminologies used for enzyme's component as shown in Figure 5. Choose the best term for component labelled Y. * Substite
V 23. The graph below is a graph of Vmax (a) Label the graph clearly with both the Vmax and the Km. Estimate the Km from this graph giving the correct units. v/Vmax 1.0 0.5 0.0 0.0 vs [S] for an enzyme. Enzyme Activity vs [Substrate] :0.2 0.4 Substrate (HM): 0.6 (b) If the Vmax = 25 mmoles per minute per µmole of enzyme calculate the Keat and the specificity constant."
5. The first law of thermodynamics states that once energy is consumed, it can no longer be converted to any other form of energy. True or False 26. The optimal pH range for the stomach enzyme pepsin is Multiple Choice 2–4. 6–8. 7.3–7.4. 10–12. 12.0–13.5. 27. Allosteric inhibitors are also called noncompetitive inhibitors. True or False
2. Write a more complete reaction scheme for the metabolic process depicted below. Be sure to include the intermediate structure and indicate what enzymes are likely responsible for these metabolic steps. но. H N. CH3 HO CH3 HO OH
19. What is the optimal pH for catalase? Why do you think it becomes less effective at high or low pH? 20. Can you think of anywhere in the human body where enzymes would work BEST at a high pH? Please give an example and draw what that graph might look like. 21. What is the optimal temperature for catalase? Why do you think it becomes less effective at high or low temperatures? 22. Can you think of any organisms that would have enzymes specifically adapted to extreme low or high temperatures and would therefore function best at a different part of the graph? Please give an example and draw what that graph might look like.
8. Enzyme activity can be registered by one form of covalent modification called phosphorylation. True or false 16. The ionized of all amino acids at pH (7.4) has a net charge of zero. True or false 17. Like beans, eggs would be most likely to be deficient in at least one of essential amino acid. True or false
SUBSTRATE ENZYME PRODUCTS 1. Sucrose Sucrase 2. Fatty acid 3. Lipids 4. 5. Cellulase Monosaccharides 6. Maltose Maltase 7. 9. 8. Lactose 10.
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
1a.Sketch a graph that shows an enzyme that functions at an optional pH of b. which organ of the body does it likely to work at? 2. On the same graph from la, sketch another line/curve that shows what happen to the enzyme activity (in #1a) if a constant [ ] of inhibitors is added.
II. Fill in the blanks with the correct answer. 11. Class of enzyme to which a cis double bond is converted to a trans double bond. 12. Class of enzyme where an alcohol is dehydrated to form a compound with a double bond. 13. Class of enzyme to which an amino group is transferred from one substrate to another. 14. Class of enzyme to which an ester linkage is hydrolyzed. 15. Enzymes that catalyze the following reaction: CH3-Ĉ–COOH → CH3-C-H+ CO2 CH2-0-C-R CH, —ОН CH-0—С—R+ 3H-0 — CH—ОН + 3R-COOH CH2-OH 16. Enzymes that catalyze the following reaction: CH-0-ċ–R ОН 17. Enzymes that catalyze the following reaction: CH3–CH–COOH + NAD* → CH;-C-COOH + NADH + H*

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1. The substrates bond to the enzyme's product 2. A structure known as an "enzyme-substrate complex" is formed,when they are connected. 3. The enzyme has turned the substratęs into a(n) [ Select ]