Campbell Biology in Focus; Modified Mastering Biology with Pearson eText -- ValuePack Access Card -- for Campbell Biology in Focus (2nd Edition)
2nd Edition
ISBN: 9780134433776
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman
Publisher: PEARSON
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Textbook Question
Chapter 6, Problem 4TYU
If an enzyme in solution is saturated with substrate, the most effective way to obtain a faster yield of products is to
- A. add more of the enzyme.
- B. heat the solution to 90ºC.
- C. add more substrate.
- D. add an allosteric inhibitor.
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Students have asked these similar questions
Please choose one of these answers
A. An allosteric inhibitor appeared
B. There was a dramatic change jn the pH.
C. The enzyme had achieved its maximum velocity.
D. The enzyme had denatured
E. A large amount of the substrate had been consumed.
When an enzyme catalyzes a reaction… A. The pH changes B. Substrate concentration is reduced C. Product concentration is reduced D. Substrate concentration is increased
Which of the following statement on the process of enzyme production is false?
Select one:
a. Agglomeration is sometimes used to increase solubility of enzyme powder
b. After fermentation, intracellular enzymes can be directly extracted by filtration
c. Spray drying can be used to dry the enzyme products into powder forms
d. Chromatography is used to purify the enzyme produced
Chapter 6 Solutions
Campbell Biology in Focus; Modified Mastering Biology with Pearson eText -- ValuePack Access Card -- for Campbell Biology in Focus (2nd Edition)
Ch. 6.1 - MAKE CONNECTIONS How does the second law of...Ch. 6.1 - Describe the forms of energy found in an apple as...Ch. 6.2 - Cellular respiration uses glucose and oxygen,...Ch. 6.2 - Prob. 2CCCh. 6.2 - Prob. 3CCCh. 6.3 - How does ATP typically transfer energy from...Ch. 6.3 - Prob. 2CCCh. 6.3 - MAKE CONNECTIONS Does Figure 6.10a show passive or...Ch. 6.4 - Many spontaneous reactions occur very slowly. Why...Ch. 6.4 - Why do enzymes act only on very specific...
Ch. 6.4 - WHAT IF? Malonate is an inhibitor of the enzyme...Ch. 6.5 - How do an activator and an inhibitor have...Ch. 6 - Choose the pair of terms that correctly completes...Ch. 6 - Prob. 2TYUCh. 6 - Which of the following metabolic processes can...Ch. 6 - If an enzyme in solution is saturated with...Ch. 6 - Some bacteria are metabolically active in hot...Ch. 6 - If an enzyme is added to a solution where its...Ch. 6 - DRAW IT Using a series of arrows, draw the...Ch. 6 - SCIENTIFIC INQUIRY DRAW IT A researcher has...Ch. 6 - SCIENCE, TECHNOLOGY, AND SOCIETY Organophosphates...Ch. 6 - FOCUS ON EVOLUTION A recent revival of the...Ch. 6 - FOCUS ON ENERGY AND MATTER Life requires energy....Ch. 6 - SYNTHESIZE YOUR KNOWLEDGE Explain what is...
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- The quantity of enzyme needed to convert 1 µ mole of substrate to products in one minute is called the enzyme a. efficiency b. turnover number c. international unit d. specificity e. no correct response is givenarrow_forwardIndicate whether each of the following statements describes a reversible competitive inhibitor, a reversible noncompetitive inhibitor, or an irreversible inhibitor. More than one answer may apply.a. Both inhibitor and substrate bind at the active site on a random basis.b. The inhibitor effect cannot be reversed by the addition of more substrate.c. Inhibitor structure does not have to resemble substrate structure.d. The inhibitor and substrate can bind to the enzyme simultaneouslyarrow_forwardCatalase, when in contact, only create bubble with hydrogen peroxide and not with water. This would mean that* A. water needs an activator for the enzyme to function. B. the pH of the water is not the optimum pH for catalase. C. the enzyme catalase is specific with hydrogen peroxide. D. water is less harmful to catalase than hydrogen peroxide.arrow_forward
- Match each reaction description to the type of enzyme that catalyzes the reaction. 1. Oxidation and reduction of compounds 2. Transfers a functional group from one compound to another compound 3. Utilizes water to break bonds within a compound 4. Addition/removal of a group of atoms and bonds within a compound 5. Forms a bond between two compounds A. Ligase B. Transferase C. Hydrolase D. Oxidoreductase E. Isomerase F. Lyasearrow_forwardWhich of the following is incorrect about chymotrypsin? It uses acid-base catalysis b. It has three essential amino acid residues (called the catalytic triad) at the active site It does not use metal catalysis d. It does not use covalent catalysis a. O c.arrow_forwardCompetitive inhibitors are: Select one: О а. bind to another part of an enzyme and making the active site less effective b. causing the enzyme to change shape. bind to the active site of an enzyme d. doesn't compete with the substratearrow_forward
- Enzymes catalyze the rapid formation of product by: lowering the Gibbs free energy of the product raising the Gibbs free energy of the substrate lowering the activation energy between the substrate and the product raising the activation energy between the substrate and the product changing the AG (the change in Gibbs free energy) of the reactionarrow_forwardSucrase has an optimum temperature of 37°C and an optimum pH of 6.2. Determine the effect of the following on its rate of reaction: 1) no change 2) increase decrease 3) A. increasing the concentration of sucrase B. changing the pH to 4.0 C. running the reaction at 70°C What are the functions of Allosteric enzymes What are some factors that affects enzyme activity? I. II. III. IV. V. VI. Enzyme activity can be regulated by allosteric enzymes, feedback control, and covalent modifications. T/F Examples of Zymogens are the proteases trypsinogen and chymotrypsinogen. T/F? Trypsin catalyzes the removal of dipeptides from inactive chymotrypsinogen and trypsinogen to give the active proteases chymotrypsin and trypsin. T/F The removal of a polypeptide chain from proinsulin produces the active form of insulin. T/F? A kinase can activate an inactive enzyme by phosphorylation, ie adding a phosphate group. T/F? A phosphatase can activate an inactive enzyme by removal of phosphate. T/F? Identify…arrow_forwardThe enzyme activity is: A. to The number of grams of substrate that react to form product, per mole of enzyme, per unit of time. b. The number of moles of substrate that react to form product, per gram of enzyme, per unit time. c. The number of moles of substrate that react to form product, per mole of enzyme, per unit time d. The number of grams of substrate that react to form product, per gram of enzyme, per unit of time.arrow_forward
- It is the process of converting TAG to fatty acid salt and alcohol.* Please choose one correct answer only A. Acid hydrolysis B. Distillation C. Esterification D. Saponification E. None of the given optionsarrow_forwardGive at least 5 pharmaceutical products which contain bioactive enzymes. Give a sample picture together with the following information: source, use, and its mechanism of action.arrow_forwardWhich of the followingdescribe superior properties of enzymes (biological catalysts) over traditional chemical catalysts? a. They are mostly and generally operative under mild temperature, pressure, and pH conditions b. They are regulated only by substrate concentration c. They do not effect the reaction equilibrium, but lower the reaction's activation energy d. They are recycled at the end of the reaction Choose all that applyarrow_forward
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