BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Chapter 27, Problem 1A
Summary Introduction
Introduction: All life forms are classified into three main domains, namely archaea, bacteria, and eukarya. These three domains are classified based on the type of cells of the organisms. The prokaryotes are unicellular microorganisms that lack the membrane-bound organelles and nucleus.
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Chapter 27 Solutions
BIOLOGY
Ch. 27.1 - Prob. 1LOCh. 27.1 - Prob. 2LOCh. 27.1 - Describe classification systems for prokaryotes.Ch. 27.2 - Prob. 1LOCh. 27.2 - Prob. 2LOCh. 27.2 - Prob. 3LOCh. 27.3 - Prob. 1LOCh. 27.3 - Prob. 2LOCh. 27.3 - Prob. 3LOCh. 27.4 - Describe the metabolic strategies employed by...
Ch. 27.4 - Compare and contrast the ways prokaryotes can...Ch. 27.5 - Describe the role of prokaryotes in biogeochemical...Ch. 27.5 - Prob. 2LOCh. 27.5 - Prob. 3LOCh. 27.6 - Prob. 1LOCh. 27.6 - Prob. 2LOCh. 27.6 - Prob. 3LOCh. 27 - Data analysis If the excision of an F plasmid Is...Ch. 27 - Prob. 1IQCh. 27 - Prob. 1UCh. 27 - A bacteria that obtains carbon from the atmosphere...Ch. 27 - Prob. 3UCh. 27 - Bacteria and archaebacteria may be distinguished...Ch. 27 - Prob. 5UCh. 27 - Prob. 6UCh. 27 - Prob. 7UCh. 27 - Prob. 1ACh. 27 - Prob. 2ACh. 27 - Prob. 3ACh. 27 - Prob. 4ACh. 27 - Prob. 5ACh. 27 - Some bacteria are capable of forming NH4+ from...Ch. 27 - Prob. 7ACh. 27 - Prob. 1SCh. 27 - Prob. 2SCh. 27 - Use of multiple antibiotics is not a bad idea if...Ch. 27 - Soil-based nitrogen-fixing bacteria appear to be...
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- Which of the following consist of prokaryotic cells? a. bacteria and fungi b. archaea and fungi c. protists and animals d. bacteria and archaeaarrow_forwardThe surface-to-volume ratio _______. a. does not apply to prokaryotic cells. b. constrains cell size. c. is part of the cell bodyarrow_forward_______ are oxygen-releasing photoautotrophs. a. Spirochetes c. Cyanobacteria b. Methanogens d. Bacteriophagesarrow_forward
- Mitochondria most likely evolved from_______. a. a photosynthetic cyanobacterium b. cytoskeletal elements c. aerobic bacteria d. membrane proliferationarrow_forwardIn the domain system of classification, prokaryotes are divided into two domains: Bacteria and Archaea. The two domains differ in all BUT one feature. Which feature do they have in common? A. They both thrive in extreme environments. B. They both have prokaryotic cells. C. They both are able to live only under anaerobic conditions. D. They both have identical cell walls.arrow_forwardWhich group of bacteria contains the gram-positive, anaerobic bacterium that causes botulism? (a) clostridia (b) actinomycetes (c) enterobacteria (d) spirochetes (e) streptococciarrow_forward
- The presence of a membrane-enclosed nucleus is a characteristic of ________. a. prokaryotic cells b. eukaryotic cells c. all cells d. virusesarrow_forwardWhich of the following describe prokaryotes? a) usually have a circular chromosome b) typically have multiple chromosomes c) are usually diploid d) none of the abovearrow_forwardOne difference between the kingdom Protista and the other three kingdoms in the domain Eukarya is that the other kingdoms are mostlya. prokaryotic.b. multicellular.c. eukaryotic.d. unicellular.arrow_forward
- Which of the following prokaryotes lacks cell walls?a. rickettsias c. Mycobacteriumb. mycoplasmas d. archaeaarrow_forwardProkaryote is characterized by: A Dispersed DNA and lack of membrane bound organelles B Absence of nuclear envelope C Absence of nucleolus D All of thesearrow_forwardSome groups of bacteria can go dormant during periods of environmental stress through the formation of _______. A) magnetosomes B) peptidoglycan C) endospores D) piliarrow_forward
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