Microbiology with Diseases by Body System (5th Edition)
5th Edition
ISBN: 9780134477206
Author: Robert W. Bauman Ph.D.
Publisher: PEARSON
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Textbook Question
Chapter 5, Problem 6MC
Includes hydrolytic reactions
- a. anabolism only
- b. both anabolism and catabolism (amphibolic)
- c. catabolism only
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1. In zero order reaction, the reaction rate depends only on enzyme concentration.
In first order reaction the reaction rate is directly porportional to substyrate concentration
a. first statement is false and second statement is true
b. both statement is true
c. both statement is false
d. first statement is true and second statement is false
2. These are catalyst that can be used in the monitoring and diagnosis of disease and their remarkable properties make them sensitive indicators of pathologic changes.
a. enzymes
b. electrolytes
c. substrate
d. none of these
3. ALT is stavle in serum at refrigirator or temp for up to 3 weeks, indefinitely if frozen
AST has the same stability but markedly decreases with freezing
a. both statement are true
b. both statement are false
c. first statement is true second is false
d. second statement is true first statement is false
a. What is the name of metabolite 1?
b. What is the name of metabolite 2?
c. What molecule a is required for this reaction to proceed?
d. What molecule b is produced in addition to 2?
e. What enzyme performs this reaction?
Sucrase 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…
Chapter 5 Solutions
Microbiology with Diseases by Body System (5th 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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- I. True or Flase a. An inhibitor may compete with the substrate for binding to the active site of an enzyme. b. Enzymes increase the rate of a chemical reaction by providing an alternative path with a lower activation energy. c. Enzymes are unconsumed during a reaction and can alter the position of chemical equilibrium.arrow_forwardThe ionization of a sodium atom to produceNa+ is an example ofa. oxidation.b. reduction.c. catabolism.d. anabolism.e. decompositionarrow_forwarda. What is the name of metabolite 1? b. What is the name of metabolite 2? c. What kind of reaction occurred when 1 was converted to 2? d. What general kind of enzyme might you expect to perform this reaction? e. What cofactor, if any, would be required for this reaction?arrow_forward
- Uncouplers of oxidative phosphorylation are all expect: Select one: O a. thermogenin O b. dinitrocresol O c. antimycin A O d. 2,4 dinitrophenolarrow_forwardMatch 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_forwardList the similarities and differences between the followinv coenzymes in terms of structure and fuction. A. Nicotinamide coenzyme B. Flavin coenzyme C. Coenzyme Aarrow_forward
- Indicate whether each of the following characteristics of an enzyme is TRUE or FALSE. An enzyme. 1._____ is a biological catalyst 2.____ functions at a low pH 3.____ does not change the equilibrium position of a reaction 4._____ is obtained from the diet 5._____ greatly increases the rate of a cellular reaction 6._____ is needed for every reaction that takes place in the cell 7._____ catalyzes at a faster rate at higher temperatures 8._____ functions best at mild conditions of pH 7.4 and 37oC 9._____ lowers the activation energy of a biological reaction 10._____increases the rate of the forward reaction, but not the reverse. Match the common name of each of the following enzymes with the description of the reaction. a. dehydrogenase b. oxidase c. peptidase d. decarboxylase e. esterase f. Transaminase 1._____ hydrolyzes the ester bonds in triacylglycerols to yield fatty acids and glycerol 2._____ removes hydrogen from a substrate…arrow_forwardDefine the following terms: a. coenzyme b. anabolic pathway c. catabolic pathway d. signal transduction pathway e. glycolysisarrow_forwardENZYMES CLASSIFICATION 1. OXIDOREDUCTASES 2. TRANSFERASES 3. HYDROLASES 4. LYASES 5. ISOMERASES 6. LIGASES SUBCLASS/ES FUNCTION EXAMPLES (1 ONLY PER SUBCLASS)arrow_forward
- a. Provide names for both metabolites. b. What kind of reaction occurs here? c. What enzyme performs this reaction? d. What cofactors (if any) are involved in this reaction? ***please help with this homework problem!!!***arrow_forwardAll are characteristics of catabolic reactions except a. have energy poor products b. capture energy in the form of ATP c. require coenzyme like NAD+ d. yield a greater number of products compared to anabolic reactionsarrow_forwardMatch the enzyme name to the description of the type of reaction that it catalyzes. Each choice can only be used once. 1. Transfers a hydride ion in a redox reaction and decarboxylates. 2. Forms a double bond through a dehydration reaction. 3. Combines an aldose and a ketose together in the first step and then cleaves the intermediate molecule into a new aldose and new ketose. Is NOT sensitive to a Vitamin B1 deficiency. 4. Acts as both an enzyme and a scaffold for the formation of a glucose homopolymer. 5. Transfers the gamma phosphoryl group from ATP to a carbohydrate. answer choices: a. glycogen synthase b. glycogenin c. enolase d. PFK-1 e. G6P f. transketolase g. transketolase h. glyceraldehyde 3 phosphate dehydrogenase i. 6 phosphogluconate dehydrogenase Please answer completely will give rating surelyarrow_forward
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