Microbiology with Diseases by Body System (4th Edition)
4th Edition
ISBN: 9780321918550
Author: Robert W. Bauman Ph.D.
Publisher: PEARSON
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Textbook Question
Chapter 5, Problem 13MC
Which of the following does not affect the function of enzymes?
- a. ubiquinone
- b. substrate concentration
- c. temperature
- d. competitive inhibitors
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When an enzymatic reaction is in progress, do you expect to see happen to the amount of substrate?
A
It will increase as the reaction proceeds.
B
It will decrease as the reaction proceeds.
C
The amount will not change as reaction proceeds.
D
It is not possible to predict what will happen to it as the reaction proceeds.
When an enzymatic reaction is in progress, do you expect to see happen to the amount of product?
A
It will increase as the reaction proceeds.
B
It will decrease as the reaction proceeds.
C
The amount will not change as reaction proceeds.
D
It is not possible to predict what will happen to it as the reaction proceeds.
Which of the following statements about non-competitive inhibitors is true?
A) They bind at the active site of the enzyme and block access to the substrate.
B) They bind at a location away from the active site.
C) They function by changing the shape of the enzyme's active site.
D) B and C
Chapter 5 Solutions
Microbiology with Diseases by Body System (4th Edition)
Ch. 5 - How can oxidation take place in an anaerobic...Ch. 5 - Why do electrons carried by NADH allow for...Ch. 5 - Why does catabolism of amino acids for energy...Ch. 5 - An uninformed student describes the Calvin-Benson...Ch. 5 - Prob. 5TMWCh. 5 - Why is feedback inhibition necessary for...Ch. 5 - Breaks a large molecule into smaller ones a....Ch. 5 - Includes dehydration synthesis reactions a....Ch. 5 - Prob. 3MCCh. 5 - Prob. 4MC
Ch. 5 - Involves the production of cell membrane...Ch. 5 - Includes hydrolytic reactions a. anabolism only b....Ch. 5 - Includes metabolism a. anabolism only b. both...Ch. 5 - Prob. 8MCCh. 5 - A reduced molecule _________. a. has gained...Ch. 5 - Prob. 10MCCh. 5 - Coenzymes are ________. a. types of apoenzymes b....Ch. 5 - Which of the following statements best describes...Ch. 5 - Which of the following does not affect the...Ch. 5 - Most oxidation reactions in bacteria involve the...Ch. 5 - Under ideal conditions, the fermentation of one...Ch. 5 - Under ideal conditions, the complete aerobic...Ch. 5 - Which of the following statements about the...Ch. 5 - Reactions involved in the light-independent...Ch. 5 - The glycolysis pathway is basically __________. a....Ch. 5 - A major difference between anaerobic respiration...Ch. 5 - 1. _______ Occurs when energy from a compound...Ch. 5 - Fill in the Blanks 1. The final electron acceptor...Ch. 5 - Fill in the Blanks 2. Two ATP molecules are used...Ch. 5 - Fill in the Blanks 3. The initial catabolism of...Ch. 5 - Fill in the Blanks 4. ________ is a cyclic series...Ch. 5 - Fill in the Blanks 5. The final electron acceptor...Ch. 5 - Fill in the Blanks 6. Three common inorganic...Ch. 5 - Fill in the Blanks 7. Anaerobic respiration...Ch. 5 - Fill in the Blanks 8. Complete the following...Ch. 5 - Prob. 9FIBCh. 5 - Fill in the Blanks 10 The main coenzymes that...Ch. 5 - VISUALIZE IT! 1 Label the mitochondrion to...Ch. 5 - Label the diagram below to indicate acetyl-CoA,...Ch. 5 - Examine the biosynthetic pathway for the...Ch. 5 - Prob. 1SACh. 5 - Why we enzymes necessary for anabolic reactions to...Ch. 5 - How do organisms control the rate of metabolic...Ch. 5 - How does a nor-competitive inhibitor at a single...Ch. 5 - Explain the mechanism of negative feedback with...Ch. 5 - Facultative anaerobes can live under either...Ch. 5 - How does oxidation of a molecule occur without...Ch. 5 - List at least four groups of microorganisms that...Ch. 5 - Why do we breathe oxygen and give of carbon...Ch. 5 - Why do cyanobacteria and algae take in carbon...Ch. 5 - What happens to the carbon atoms in sugar...Ch. 5 - How do yeast cells make alcohol and cause bread to...Ch. 5 - Where specifically does the most significant...Ch. 5 - Why are vitamins essential metabolic factors for...Ch. 5 - A laboratory scientist notices that a cer1ain...Ch. 5 - Arsenic is a poison that exists in two states in...Ch. 5 - Explain why an excess of all three of the amino...Ch. 5 - Why might an organism that uses glycolysis and the...Ch. 5 - Describe how bacterial fermentation causes milk to...Ch. 5 - Giardia intestinalis and Entamoeba histolytica are...Ch. 5 - Two cultures of a facultative anaerobe are grown...Ch. 5 - What is the maximum number of molecules of ATP...Ch. 5 - In terms of its effects on human metabolism, why...Ch. 5 - Cyanide is a potent poison because it irreversibly...Ch. 5 - How are photophosphorylation and oxidative...Ch. 5 - Members of the pathogenic bacterial genus...Ch. 5 - Compare and contrast aerobic respiration,...Ch. 5 - Scientists estimate that up to one-third of Earths...Ch. 5 - A young student was troubled by the idea that a...Ch. 5 - If a bacterium uses beta-oxidation to catabolize a...Ch. 5 - Some desert rodents rarely have water to drink....Ch. 5 - Prob. 17CTCh. 5 - We have examined the total ATP, NADH, and FADH2...Ch. 5 - Explain why hyperthermophiles do not cause disease...Ch. 5 - In addition to extremes in temperature and pH,...Ch. 5 - Figure 5.18b illustrates events in aerobic...Ch. 5 - Suppose you could insert a tiny pH probe into the...Ch. 5 - Even though Pseudomonas aeruginosa and...Ch. 5 - Photosynthetic organisms are rarely pathogenic....Ch. 5 - Prob. 25CTCh. 5 - A scientist moves a green plant grown in sunlight...Ch. 5 - What class of enzyme is involved in amination...Ch. 5 - Using the following terms, fill in the following...
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- What is it called when the final product of an enzymatic pathway acts as a modulator for the first enzyme in the pathway? a. isoenzyme activation b. relative specificity c. feed back inhibition d. competitive inhibitionarrow_forwardWhich of these statements about enzymes is true? a,Most proteins are enzymes. b.Most enzymes are proteins. c.Enzymes are changed by the reactions they catalyze. d.The active sites of enzymes have little specificity for substrates.arrow_forwardWhat kind of reaction does each of these enzymes catalyze?(a) A dehydrase(b) A carboxylase(c) A proteasearrow_forward
- Which of the following is not true about enzymes?a. They are consumed by the reactions they catalyze.b. They are usually made of amino acids.c. They lower the activation energy of chemical reactions.d. Each one is specific to the particular substrate(s) to which it binds.arrow_forwardWhich of the following statement regarding enzymes is false? a.) they speed up reaction rates b.) they work within narrow temperature and pH ranges c.) The active site binds the substarate d.) They are consumed in the reactions they catalyzearrow_forwardSubstance A is converted to substance B in a metabolic reaction. Which statement best describes the role of enzyme during this reaction? A. It dissolves substance A in the reaction medium. B. It speeds up the reaction without it being consumed in the process. C. It provides energy to the reaction system D. It adjusts the pH of the reaction medium.arrow_forward
- Which of the following is not true about enzymes: a. They increase ΔG of reactions. b. They are usually made of amino acids. c. They lower the activation energy of chemical reactions. d. Each one is specific to the particular substrate(s) to which it binds.arrow_forward____________is another term for biosynthesis.a. Catabolism b. Anabolism c. Metabolism d. Catalystarrow_forwardWhen you heat a solution past the optimum for an enzyme? A. the active site permanently binds substrate via covalent bonding B. the enzyme stiffens and slows down C. the enzyme starts to denaturearrow_forward
- Which of the following accurately describes how an enzyme functions? a. reduces the energy content of the products b. allows for the exothermic reaction of materials that are usually endothermic c. changes the reaction mechanism effectively reducing the activation energy d. shifts the equilibrium for the reactionarrow_forwardWhy is an enzyme considered "specific"? A. Only one type of enzyme is found in our bodies B. Only certain enzymes can pass through the cell membrane C. Its active site must match the substrate to do its job D. The enzyme can only move from high to low concentrationarrow_forwardEnzymes catalyze a chemical reaction by A. decreasing the amount of ATP required to activate a reaction B. increasing the amount of ATP required to activate a reaction C. slowing down the reaction to obtain more products D. increasing the reaction to obtain more products E. decreasing the amount of ATP required and obtaining more products.arrow_forward
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