BIOLOGY 2E
2nd Edition
ISBN: 9781506699851
Author: OpenStax
Publisher: XANEDU PUBLISHING
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Textbook Question
Chapter 22, Problem 20RQ
Cyanobacteria harness energy from the sun through photosynthesis, and oxidize water to provide electrons for energy generation. Thus, we classify cyanobacteria as.
- photolithotrophs
- photoautotrophs
- chemolithoautotrophs
- chemo-organotrophs
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Students have asked these similar questions
Which of the following is true about Purple Sulfur Bacteria? Choose all possible answers.
found within the order Chromatiales
anoxygenic phototrophs
use CO2 as an electron donor for photosynthesis
Examples include Cyanobacteria, Synechococcus and Prochlorococcus
All of the statements are true about Purple sulfur bacteria.
Which of the following is NOT true about chemoheterotrophs?
Which of the following is NOT true about chemoheterotrophs?
Use organic compounds as a source of both carbon and energy
Can use light for energy and CO2 as a source of carbon
Oxidize organic compounds (e.g., glucose) to generate ATP
They are ultimately dependent on autotrophs to provide their carbon and energy
None of the other four answers (all are true of chemoheterotrophs)
Which of the following is an organism that obtains its energy from the transfer of electrons originating from chemical compounds and its carbon from an inorganic source such as CO2?
photoautotroph
Chemoheterotroph
Chemoautotroph
Photoheterotroph
Chapter 22 Solutions
BIOLOGY 2E
Ch. 22 - Figure 22.8 Compared to free-floating bacteria,...Ch. 22 - Figure 22.16 Which of the following statements is...Ch. 22 - Figure 22.19 Which of the following statements...Ch. 22 - The first forms of life on Earth were thought to...Ch. 22 - Microbial mats. are the earliest forms of life on...Ch. 22 - The first organisms that oxygenated the atmosphere...Ch. 22 - Halophiles are organisms that require a salt...Ch. 22 - Many of the first prokaryotes to be cultured in a...Ch. 22 - The presence of a membrane-enclosed nucleus is a...Ch. 22 - Which of the following consist of prokaryotic...
Ch. 22 - The cell wall is ___________ . interior to the...Ch. 22 - Organisms most likely to be found in extreme...Ch. 22 - Prokaryotes stain as Gram-positive or Gramnegative...Ch. 22 - Pseudopeptidoglycan is a characteristic of the...Ch. 22 - The lipopolysaccharide layer (LPS) is a...Ch. 22 - Which of the following elements is not a...Ch. 22 - Prokaryotes that obtain their energy from chemical...Ch. 22 - Ammonification is the process by which. ammonia is...Ch. 22 - Plants use carbon dioxide from the air and are...Ch. 22 - Cyanobacteria harness energy from the sun through...Ch. 22 - A disease that is constantly present in a...Ch. 22 - Which of the statements about biofilms is...Ch. 22 - Which of these statements is true? An antibiotic...Ch. 22 - A person in England arrives at a medical clinic...Ch. 22 - MRSA has emerged as a serious infectious disease,...Ch. 22 - Which of these occurs through symbiotic nitrogen...Ch. 22 - Synthetic compounds found in an organism but not...Ch. 22 - Bioremediation includes. the use of prokaryotes...Ch. 22 - In addition to providing yogurt with its unique...Ch. 22 - Describe briefly how you would detect the presence...Ch. 22 - Why do scientists believe that the first organisms...Ch. 22 - A new bacterial species is discovered and...Ch. 22 - Mention three differences between bacteria and...Ch. 22 - Explain the statement that both types, bacteria...Ch. 22 - A scientist isolates a new species of prokaryote...Ch. 22 - Think about the conditions (temperature, light,...Ch. 22 - Farmers continually rotate the crops grown in...Ch. 22 - Imagine a region of soil became contaminated,...Ch. 22 - Explain the reason why the imprudent and excessive...Ch. 22 - Researchers have discovered that washing spinach...Ch. 22 - Your friend believes that prokaryotes are always...Ch. 22 - Many people use antimicrobial soap to kill...
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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
- Prokaryotes that obtain their energy from chemical compounds are called _____. a. photorophs b. auxotrophs c. chemorophs d. lithotrophsarrow_forwardOrganisms which use light as an energy source and carbon dioxide as a source of carbon are called and organisms which require preformed organic molecules as a source of carbon and energy are called 1.photoheterotroph:chemoautotroph 2. chemoautotrophs, chemoheterotrophs 3. obligate anaerobe; obligate capnophile 4. photoautotrophs; chemoheterotrophsarrow_forwardCompare photo litho autotrophy with chemo-organo heterotrophy. Sun light is the ultimate source of energy and all living organisms obtain their energy directly or indirectly from the sun. However in deep-sea vents (where there is no sun light) life has originated and the many groups of microorganisms are flourishing in such environment. How? Explain your reasoningarrow_forward
- From the standpoint of energy metabolism, how do chemoorganotrophs differ from chemolitotrophs? What carbon sources do members of each group use? Are they heterotrophs or autotrophs?arrow_forwardWhat group of prokaryotes use inorganic chemicals as energy source and fulfill their carbon needs by obtaining CO2 or related inorganic compounds? O chemoautotroph photoautotroph O photoheterotroph O chemoheterotropharrow_forwardPseudomonas aeruginosa might contribute to denitrification under which conditions? In an anaerobic environment with no carbon/energy source In an anaerobic environment with a carbon/energy source In an aerobic environment with a carbon/energy source In an aerobic environment with no carbon/energy sourcearrow_forward
- Which of the following would be an example of a microbial chemoautotroph? A yeast using oxidation/reduction of organic compounds as the energy source and organic compounds as the carbon source. An archaean using oxidation/reduction of inorganic compounds as the energy source and a organic compounds as the carbon source. A cyanobacterium using light as the energy source and CO2 as the carbon source. A bacterium using oxidation/reduction of inorganic compounds as the energy source and CO2 as the carbon source.arrow_forwardDraw a key to differentiate the following bacteria: Cyanobacteria, Cytophaga, Desulfovibrio, Frankia, Hyphomicrobium, Methanogens, Myxobacteria, Nitrobacter, purple bacteria, Sphaerotilus, and Sulfolobus. Also Name the organisms that are important in sewage treatment and can produce a fuel used for home heating and for generating electricity.arrow_forwardA cell that utilizes light to obtain energy from organic carbon sources such as glucose would be called a O 1) lithoautotroph. O 2) chemoautotroph. O 3) photoautotroph. 04) O 4) photoheterotroph. O 5) chemoheterotroph.arrow_forward
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