Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Chapter 58, Problem 7TY
Summary Introduction
Introduction: Bacteria and archae have a wide variety of methods for obtaining energy and organic material for their growth. Depending on the source of carbon and energy, bacteria may be photoautotrophs, chemoautotrophs, photoheterotrophs or chemoheterotrophs.
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Students have asked these similar questions
Some bacteria have the ability to “fix” nitrogen. This means
a. they convert ammonia into nitrites and nitrates.
b. they convert atmospheric nitrogen gas into biologically useful forms of nitrogen.
c. they break down nitrogen-rich compounds and release ammonium ions.
d. they convert nitrate into nitrogen gas.
Because plants extract nutrients from soil and use sunlight as an energy source, they are considered to be a. autotrophs. c. heterotrophs. b. consumers. d. decomposers.
Which of the following organism classification is based on free energy sources?
A. lithotrophs
B. organotrophs
C. chemotrophs
D. autotrophs
A, C, D
A, B, C, D
A, B, C
B, C, D
Chapter 58 Solutions
Biology
Ch. 58.1 - Prob. 1CCCh. 58.3 - Prob. 1CCCh. 58.3 - Inhibition implies that competition exists between...Ch. 58.4 - Prob. 1CSCh. 58.4 - Prob. 1CCCh. 58.4 - Prob. 1EQCh. 58.4 - Prob. 2EQCh. 58.4 - CoreSKILL What did the researchers conclude about...Ch. 58.5 - Core Skill: Connections In the two food chains...Ch. 58.5 - Prob. 1CC
Ch. 58.5 - Prob. 2CSCh. 58 - Prob. 1TYCh. 58 - Prob. 2TYCh. 58 - Which evidence suggests that more diverse...Ch. 58 - The process of primary succession occurs a. around...Ch. 58 - Prob. 5TYCh. 58 - Prob. 6TYCh. 58 - Prob. 7TYCh. 58 - Prob. 8TYCh. 58 - Prob. 9TYCh. 58 - Prob. 10TYCh. 58 - Prob. 1CQCh. 58 - Prob. 2CQCh. 58 - Core Concept: Systems In the nutrient-poor...Ch. 58 - List some possible ecological disturbances, their...Ch. 58 - Prob. 2COQ
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- Autotrophs are unable to make their own food so they depend on other organisms for their source of food. Heterotrophs are producers. a. Both statements are true b. The first statement is true c. Both statements are false. d. The second statement is true.arrow_forwardWhich of the following statement is INCORRECT?A. Bacteria can decompose organic nitrogen.B. Biological nitrogen fixation is carried out by bacteria.C. Ammonia, ammonium ion and nitrate ion are examples of biological availablenitrogen.D. Denitrifying bacteria converts atmospheric dinitrogen gas into nitrate ion.E. Nitrification is the process of converting reactive nitrogen into another form ofreactive nitrogen.arrow_forwardOrganisms that use/degrade carbon compounds from food containing organic carbon to extract energy are called __________, whereas organisms that utilize CO2 from the air and often obtain energy from the sun are called ______________. A. heterotrophs; lithotrophs B. heterotrophs; autotrophs C. autotrophs; heterotrophs D. lithotrophs; autotrophs E. autotrophs; lithotrophsarrow_forward
- 1. Which of the following statements is a correct distinction between autotrophs and heterotrophs? A. Only heterotrophs have mitochondria. B. Cellular respiration is unique to heterotrophs. C. Only heterotrophs require chemical compounds from the environment. D. Autotrophs, but not heterotrophs, can nourish themselves beginning with CO2 and other nutrients that are inorganic. 2. Which of the following is not a true statement regarding the difference between DNA and RNA? A. DNA is found in a helical structure while RNA is usually single stranded. B. In DNA, the base thymine is substituted for uracil which is found in RNA. C. RNA contains the nucleic acids adenosine, guanine, cytosine, and uracil while DNA only contains thymine. D. The sugar in RNA is ribose which has a hydroxyl group that interferes with the formation of long helical structures while DNA contains the sugar deoxyribose. 3. Which statement about thylakoids in eukaryotes is not correct? A. Thylakoids contain chlorophyll.…arrow_forwardWhy are bacterial decomposers important? a. They produce spores. b. Common in biotechnology. c. They fix nitrogen. d. They break down complex organic molecules in wastes and remains. e. Most cause disease.arrow_forwardThe methanogens:_______ A. are part of the domain Archaea AND appear only in aerobic environments. B. oxidize hydrogen gas to produce methane AND appear only in aerobic environments. C. use oxygen as a terminal electron acceptor AND appear only in aerobic environments. D. use oxygen as a terminal electron acceptor AND oxidize hydrogen gas to produce methane. E. are part of the domain Archaea AND oxidize hydrogen gas to produce methane.arrow_forward
- The green sulfur bacteria, using sunlight as an energy source for photosystem I, are unable to split water molecules to release O2, but they are able to release which inorganic product molecule? A. hydrogen sulfide B. glucose C. elemental sulfur D. oxygen E. carbon dioxidearrow_forwardWhich of the following statements is false? A. Sulfur-oxidizing bacteria may form hydrogen sulfide (H2S) as a product of the oxidation. B. Dissimilatory reduction of metals such as Fe3+ to Fe2+ represents anaerobic respiration. C. The nitrification reactions carried out by certain bacteria would be considered lithotrophy. D. Denitrification reactions would be considered anaerobic respiration.arrow_forwardNitrification”is the conversion of:a.carbon compounds to nitrogen compounds.b.nitrogen gas (N2) to ammonia (NH2).c.ammonium (NH4+) to nitrate (NO3-).d.ammonia (NH3) to nitrogen gas (N2).e.ammonium (NH4+) to nitrite (NO2-).arrow_forward
- Which of the following oxygenic phototrophs are believed to have generate the majority of oxygen gas in Earth’s atmosphere? a. Chlorobium b. Chloroflexus c. Clostridium d. Cyanobacteria e. purple bacteriaarrow_forwardThe cyanobacteria in Lake Erie would best be described as .a. decomposersb. tertiary consumersc. primary producersd. heterotrophse. secondary consumersarrow_forwardWe learned an ironic twist in the film called "The Other Inconvenient Truth." It was that a. agriculture creates more pollution than other sources, but we have to increase farming for the growing population b. that nitrogen in the soil is significant pollution, but if we don't use these fertilizers we will not have enough food c. That methane is produced by animals and by growing rice. So becoming vegetarian won't clear methane from the atmosphere. d. agriculture uses 70% of fresh water mined , causing a salt water pollution tooarrow_forward
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