General, Organic, and Biological Chemistry - 4th edition
4th Edition
ISBN: 9781259883989
Author: by Janice Smith
Publisher: McGraw-Hill Education
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Chapter 24.2, Problem 24.1PP
Analyze the following reaction by considering the 
More Practice: Try Problem 24.23.
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Lecture seatwork classify the following enzymes
1.sucrase
2.trypsin
3.catalse
4.aspartate aminotransferase
5?cellulase
- MULTIPLE CHOICE
- Please answer properly
QUESTION :
Which of the following best describes the relationship
between a reactant molecule and an enzyme?
A. it is a permanent mutual alteration of structure
B. it is one in which the enzyme is changed
permanently
C. it is an association stabilized by a covalent bond
D. it is a temporary association
please post the correct answers and i will rate
49. Initial velocity is used to study enzyme kinetics because
A The substrate concentration increases as the reaction proceeds
B. The substrate concentration decreases as the reaction proceeds.
C. The presence of inhibitor slows down the reaction.
D. The presence of inhibitor stops the reaction.
E. Cooperativity affects the reaction rate.
41. When myoglobin is compared to the beta chain of hemoglobin,
A. The sequences and structures are all different.
B. The sequences are essentially identical which is why the 3D structures are
conserved.
C. only 27 of more than 141 residues are identical, yet the 3D structures are
conserved.
D. only 27 of more than 141 residues are identical, which is why the 3D
structures are not conserved.
E. none of the above.
Chapter 24 Solutions
General, Organic, and Biological Chemistry - 4th edition
Ch. 24.2 - Analyze the following reaction by considering the...Ch. 24.2 - Prob. 24.2PPCh. 24.3 - Prob. 24.1PCh. 24.3 - Prob. 24.2PCh. 24.3 - Prob. 24.3PCh. 24.3 - Prob. 24.4PCh. 24.3 - Prob. 24.5PCh. 24.3 - Prob. 24.6PCh. 24.4 - Prob. 24.7PCh. 24.4 - Prob. 24.8P
Ch. 24.4 - Prob. 24.9PCh. 24.5 - Prob. 24.10PCh. 24.5 - Prob. 24.11PCh. 24.5 - Prob. 24.12PCh. 24.6 - Prob. 24.13PCh. 24.7 - Prob. 24.14PCh. 24.7 - Prob. 24.3PPCh. 24.7 - Prob. 24.15PCh. 24.7 - Prob. 24.16PCh. 24.7 - Use the number of molecules of ATP formed from the...Ch. 24.7 - Prob. 24.18PCh. 24.8 - Prob. 24.19PCh. 24.8 - Prob. 24.20PCh. 24.8 - Prob. 24.21PCh. 24.9 - Prob. 24.4PPCh. 24.9 - What products are formed when each amino acid is...Ch. 24.9 - Prob. 24.22PCh. 24 - Analyze each reaction by considering the...Ch. 24 - Analyze each reaction by considering the...Ch. 24 - Prob. 25PCh. 24 - Prob. 26PCh. 24 - Prob. 27PCh. 24 - Prob. 28PCh. 24 - Prob. 29PCh. 24 - Prob. 30PCh. 24 - Prob. 31PCh. 24 - Prob. 32PCh. 24 - Glucose is completely metabolized to six molecules...Ch. 24 - Why is glycolysis described as an anaerobic...Ch. 24 - Write the overall equation with key coenzymes for...Ch. 24 - Prob. 36PCh. 24 - Prob. 37PCh. 24 - Prob. 38PCh. 24 - Consider the aerobic and anaerobic avenues of...Ch. 24 - Prob. 40PCh. 24 - Prob. 41PCh. 24 - Prob. 42PCh. 24 - Prob. 43PCh. 24 - Prob. 44PCh. 24 - Prob. 45PCh. 24 - Prob. 46PCh. 24 - Prob. 47PCh. 24 - Prob. 48PCh. 24 - Prob. 49PCh. 24 - Prob. 50PCh. 24 - Prob. 51PCh. 24 - Prob. 52PCh. 24 - Prob. 53PCh. 24 - Prob. 54PCh. 24 - Prob. 55PCh. 24 - Prob. 56PCh. 24 - Prob. 57PCh. 24 - Prob. 58PCh. 24 - Prob. 59PCh. 24 - How much ATP is generated by the complete...Ch. 24 - Prob. 61PCh. 24 - Fill in the boxes with the number of moles of each...Ch. 24 - Prob. 63PCh. 24 - Prob. 64PCh. 24 - Prob. 65PCh. 24 - Prob. 66PCh. 24 - Prob. 67PCh. 24 - Prob. 68PCh. 24 - Prob. 69PCh. 24 - Prob. 70PCh. 24 - What is the difference between ketogenic and...Ch. 24 - Prob. 72PCh. 24 - Prob. 73PCh. 24 - Draw the structure of the keto acid formed by the...Ch. 24 - Draw the products formed in each transamination...Ch. 24 - Prob. 76PCh. 24 - Prob. 77PCh. 24 - Prob. 78PCh. 24 - Prob. 79PCh. 24 - Prob. 80PCh. 24 - What metabolic intermediate is formed from the...Ch. 24 - What metabolic intermediate is formed from the...Ch. 24 - Prob. 83PCh. 24 - Prob. 84PCh. 24 - Prob. 85PCh. 24 - Prob. 86PCh. 24 - Prob. 87PCh. 24 - What is the cause of the pain and cramping in a...Ch. 24 - Prob. 89PCh. 24 - Prob. 90PCh. 24 - Prob. 91PCh. 24 - Prob. 92PCh. 24 - Prob. 93PCh. 24 - Prob. 94PCh. 24 - What type of enzyme would catalyze the conversion...Ch. 24 - Prob. 96PCh. 24 - Prob. 97CPCh. 24 - Prob. 98CPCh. 24 - Prob. 99CPCh. 24 - Prob. 100CP
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- Two curves showing the rate versus substrate concentration are shown below for an enzymecatalyzed reaction. One curve is for the reaction in the presence of substance X. The other curve is for data in the absence of substance X. Examine the curves and tell which statement below is FALSE. A. X is an activator of the enzyme. B. The enzyme exhibits non-Michaelis-Menten kinetics. C. X is likely an allosteric effector. D. X is a competitive inhibitorarrow_forward18. Which of the statements below correctly describes what an enzyme does? a) An enzyme decreases the value of AGrxn. b) An enzyme increase the activation energy. c) An enzyme decreases the energy of the transition state.. d) An enzyme decreases the value of Keq. 19. If an enzyme-catalyzed reaction has a low rate at low pH and high rate at higher pH, this for an efficient reaction. implies that a group on either the enzyme or the substrate must be (a) protonated c) acidic b) deprotonated d) basic 2arrow_forwardU. There are six major groups of enzymes. The categories are based on the types of reactions that they catalyze. What type of enzyme can perform redox reactions? Question 12 of 15 A) Oxidoreductases B) Transferases C) Hydrolases D) Isomerases E) Ligasesarrow_forward
- LECTURE SEATWORK CLASSIFY THE FOLLOWING ENZYMES 1. Sucrase 6. Ptyalin 2. Trypsin 7. Lactase 8. Creatine phosphokinase 4. Aspartate aminotransferase 9. 5-alpha reductase 10. Amino peptidase 3. Catalase 5. Cellulasearrow_forwardLECTURE SEATWORK CLASSIFY THE FOLLOWING ENZYMES 6. Ptyalin 7. Lactase 8. Creatine phosphokinase 1. Sucrase 2. Trypsin 3. Catalase 4. Aspartate anminotransferase 9. 5-alpha reductase 5. Cellulase 10. Amino peptidasearrow_forward23. Enzyme activity is best determined by performing a(n) a. enzyme international unit b. enzyme efficiency test C. enzyme specificity test d. enzyme assayarrow_forward
- Summarize three ways in which an enzyme might lower the energy of a activation of a raction 2. What is the transition state in an enzyme- catalyzed reaction.arrow_forwardThe time that is required for an enzyme to convert one substrate molecule into one product molecule is _________ A. Km. B. 1/kcat. C. 1/Km. D. kcat.  Which of the following does not apply to the concerted model for subunit behavior: A. Each subunit can exist in a relaxed (R) and taut (T) conformation. B. All subunits will be in either the R or the T conformation at the same time. C. Some subunits can be in the R state while others are in the T state. D. The presence of inhibitors will lead to more of the enzyme being in the T form E. The presence of activators will lead to more of the enzyme being in the R formarrow_forwardAn enzyme has no activity at an extremely low pH. What could be an explanation for this observation? a. enzyme inhibition b. protein denaturation c. lack of cofactors d. substrate deactivation e. no correct response givenarrow_forward
- Part II (25 pts) Instruction: You have learned about the enzymes. Give five examples of SPECIFIC enzymes and their function in the human body. Enzymes Functionarrow_forwardFrom the given activity, 1.) What is the effect of temperature to the enzyme? 2.) What are some generalizations and conclusions in this activity?arrow_forward4. What are the six classes of enzyme? 5. Explain a competitive inhibitor In the induced-fit model, what happens to the shape of the enzyme when the substrate binds? A. stays the same B. adapts to the shape of the substrate 35) An irreversible inhibitor is one that A) forms hydrogen bonds with the substrate. B) binds to the enzyme with hydrophobic interactions. C) reacts covalently with the substrate. D) binds covalently to the enzyme active site. E) reacts covalently with a cofactor. 47) Metal ions such as Zn²+ and Fe3+ are often needed by enzymes as A) isozymes. B) allosteres. C) inhibitors. D) cofactors. E) substrates. 3) An enzyme that converts a cis double bond to a trans double bond is classified as a(n). A) oxidoreductase B) transferase C) hydrolase D) lyase E) isomerase 3) An enzyme that converts a functional group to another between two structures A) oxidoreductase B) transferase C) hydrolase D) lyase E) isomerase What is the function of these enzymes: Oxidoreductase…arrow_forward
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