Nester's Microbiology: A Human Perspective
9th Edition
ISBN: 9781259709999
Author: Denise G. Anderson Lecturer, Sarah Salm, Deborah Allen
Publisher: McGraw-Hill Education
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Chapter 6, Problem 9SA
Unlike the cyanobacteria, the anoxygenic photosynthetic bacteria do not produce O2. Why not?
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Unlike the cyanobacteria, the anoxygenic photosynthetic bacteria do not produce O2 . Why not?
In addition to C3 photosynthesis (the most common form),there are two other mechanisms for fixing carbon dioxide.These are C4 metabolism and _________________.
You have discovered a cyanobacterium with only photosystem I (it has no photosystem II). This bacterium is unable to fix CO2. How does this microorganism make ATP and reducing power?
Chapter 6 Solutions
Nester's Microbiology: A Human Perspective
Ch. 6 - Explain the difference between catabolism and...Ch. 6 - How does ATP serve as a carrier of free energy?Ch. 6 -
3. How do enzymes catalyze chemical reactions?
Ch. 6 - Explain how precursor molecules are involved in...Ch. 6 -
5. How do cells regulate enzyme activity?
Ch. 6 - Why do the electrons carried by FADH2 result in...Ch. 6 -
7. Name three food products produced with the aid...Ch. 6 - In photosynthesis, what is encompassed by the term...Ch. 6 - Unlike the cyanobacteria, the anoxygenic...Ch. 6 - What is the role of transamination in amino acid...
Ch. 6 - Which of these factors do does not affect enzyme...Ch. 6 - Which of the following statements is false?...Ch. 6 - Based on the name, NADH dehydrogenase is a) a...Ch. 6 - What is the end product of glycolysis? a) Glucose...Ch. 6 -
5. The central metabolic pathway(s) is/are
a)...Ch. 6 - Which of these pathways gives a cell the potential...Ch. 6 - In fermentation, the terminal electron acceptor is...Ch. 6 -
8. In the process of oxidative phosphorylation,...Ch. 6 - If a bacterium loses the ability to produce FADH2,...Ch. 6 - Degradation of fats as an energy source involves...Ch. 6 -
1. A worker in a cheese-making facility argues...Ch. 6 -
2. Scientists working with DNA in vitro often...Ch. 6 -
1. A student argued that aerobic and anaerobic...Ch. 6 - Chemolithotrophs near hydrothermal vents support a...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- What do the electrons added to NAD do? a. They become part of a fermentation pathway. b. They go to another pathway for ATP production. c. They energize the entry of the acetyl group into the citric acid cycle. d. They are converted into NADP.arrow_forwardYou have discovered a cyanobacterium with only photosystem I (it has no photosystem II).This bacterium is unable to fix CO2. Explain thoroughly how you think this microorganismmakes ATP and reducing power?arrow_forwardWhy would lack of oxygen completely inhibit the Krebs cycle and the electron transport chain but not glycolysis?arrow_forward
- Which of these molecules associated with electron transport is in the reduced state? Choose from the following: (A) cytochrome a3+++ (b) cytochrome a3++arrow_forwardWhy does photosynthesis produce O2? Microbial photosynthesisarrow_forwardGenerally, increasing the concentration of carbon dioxide increases the rate of photosynthesis. What conditions could prevent this effect?arrow_forward
- Why does the boundary layer surrounding a photosynthetic organism make it more difficult to exchange CO2 and O2?arrow_forwardYou have discovered a cyanobacteria with only photosystem I. The bacteria is unable to fix CO2. Explain thoroughly how you think this microorganisms makes ATP and reducing powerarrow_forward(a) Explain why obligate anaerobes contain some citric acid cycle enzymes. (b) Why don’t these organisms have a complete citric acid cycle?arrow_forward
- Why is carbon monoxidetoxic for humans?arrow_forwardHydrogen cyanide gas is a lethal poison that binds to the last cytochrome molecule in the electron transport system. What effect would this have at the cellular level?arrow_forwardIdentifying carboxysomes in a bacterium suggests that this bacterium is using the Calvin cycle to convert the concentrated CO2 into biomass.arrow_forward
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