Domanda del libro di testo
Reactions involved in the light-independent reactions of photosynthesis constitute the _______.
a. Citric acid cycle
b. Entner-Doudoroff pathway
c. Calvin-Benson cycle
d. pentose phosphate pathway
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Ch. 5 - Microbial Metabolism
Bauman6th EditionMicrobiology with Diseases by TaxonomyISBN: 9780134832302
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TOC.tableOfContents
- Ch. 1 - A Brief History of Microbiology31
- Ch. 2 - The Chemistry of Microbiology28
- Ch. 3 - Cell Structure and Function39
- Ch. 4 - Microscopy, Staining, and Classification25
- Ch. 5 - Microbial Metabolism51
- Ch. 6 - Microbial Nutrition and Growth37
- Ch. 7 - Microbial Genetics51
- Ch. 8 - Recombinant DNA Technology21
- Ch. 9 - Controlling Microbial Growth in the Environment36
- Ch. 10 - Controlling Microbial Growth in the Body: Antimicrobial Drugs21
- Ch. 11 - Characterizing and Classifying Prokaryotes29
- Ch. 12 - Characterizing and Classifying Eukaryotes34
- Ch. 13 - Characterizing and Classifying Viruses, Viroids, and Prions23
- Ch. 14 - Infection, Infectious Diseases, and Epidemiology35
- Ch. 15 - Innate Immunity34
- Ch. 16 - Adaptive Immunity21
- Ch. 17 - Immunization and Immune Testing29
- Ch. 18 - Immune Disorders22
- Ch. 19 - Pathogenic Gram-Positive Bacteria25
- Ch. 20 - Pathogenic Gram-Negative Cocci and Bacilli28
- Ch. 21 - Rickettsias, Chlamydias, Spirochetes, and Vibrios25
- Ch. 22 - Pathogenic Fungi47
- Ch. 23 - Parasitic Protozoa, Helminths, and Arthropod Vectors44
- Ch. 24 - Pathogenic DNA Viruses23
- Ch. 25 - Pathogenic RNA Viruses30
- Ch. 26 - Applied and Industrial Microbiology29
- Ch. 27 - Microbial Ecology and Microbiomes22
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Capitolo 5, Problema 17
Which of the following statements about the Entner-Doudoroff pathway is false?
a. It is a series of reactions that synthesizes glucose.
b. Its products are sometimes used to determine the presence of Pseudomonas.
c. It is a pathway of chemical reactions that catabolizes glucose.
d. It is an alternative pathway to glycolysis.
Guida verificata passo dopo passo1
Step 1: Understand the Entner-Doudoroff (ED) pathway. It is a metabolic pathway used by some bacteria to break down glucose, so it is involved in catabolism, not synthesis.
Step 2: Analyze option (a): 'It is a series of reactions that synthesizes glucose.' Since the ED pathway breaks down glucose rather than synthesizing it, this statement is likely false.
Step 3: Consider option (b): The ED pathway products can be used as biochemical markers to identify certain bacteria like Pseudomonas, so this statement is true.
Step 4: Review option (c): The pathway catabolizes glucose, meaning it breaks glucose down to extract energy, so this statement is true.
Step 5: Evaluate option (d): The ED pathway is an alternative to glycolysis (Embden-Meyerhof-Parnas pathway) for glucose catabolism, so this statement is true.
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Entner-Doudoroff Pathway
The Entner-Doudoroff pathway is a metabolic route used by some bacteria to break down glucose into pyruvate and glyceraldehyde-3-phosphate. It serves as an alternative to the more common glycolysis pathway and is involved in glucose catabolism, not synthesis.
Video consigliato:
08:59
Entner-Doudoroff Pathway
Glucose Catabolism vs. Glucose Synthesis
Glucose catabolism refers to the breakdown of glucose molecules to release energy, while glucose synthesis involves creating glucose from smaller molecules. The Entner-Doudoroff pathway is involved in catabolism, meaning it degrades glucose rather than synthesizing it.
Video consigliato:
05:58Glucose Levels, cAMP, & the Lac Operon
Microbial Identification Using Metabolic Pathways
Certain metabolic pathways and their products can be used as biochemical markers to identify specific bacteria. For example, the presence of the Entner-Doudoroff pathway and its products can help detect bacteria like Pseudomonas, which utilize this pathway uniquely compared to other microbes.
Video consigliato:
02:29Chemicals Used to Control Microbial Growth
Pratica correlata
Domanda del libro di testo
The glycolysis pathway is basically _______.
a. catabolic
b. amphibolic
c. anabolic
d. cyclical
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Domanda del libro di testo
Under ideal conditions, the fermentation of one glucose molecule by a bacterium allows a net gain of how many ATP molecules?
a. 2
b. 4
c. 38
d. 0
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Domanda del libro di testo
Under ideal conditions, the complete aerobic oxidation of one molecule of glucose by a bacterium allows a net gain of how many ATP molecules?
a. 2
b. 4
c. 38
d. 0
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Domanda del libro di testo
A laboratory scientist notices that a certain bacterium does not utilize lactose when glucose is available in its environment. Describe a cellular regulatory mechanism that would explain this observation.
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Domanda del libro di testo
A major difference between anaerobic respiration and anaerobic fermentation is _______.
a. in the use of oxygen
b. that the former requires breathing
c. that the latter uses organic molecules within the cell as final electron acceptors
d. that fermentation only produces alcohol
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