Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Chapter 27, Problem 8TY
Summary Introduction
Introduction: Members of archaea and bacteria belong to a group of most primitive organisms found on earth. These members are cosmopolitan and are found in almost all possible habitats.
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Particles that transfer genetic material from one species to another, especially in marine prokaryotes: a. horizontal gene transfer b. lateral gene transfer c. genome fusion device d. gene transfer agents
An example of bioremediation is
A) the use of prokaryotes to treat sewage or clean up oil spills.
B) the production of antibiotics by cultured prokaryotes.
C) the application of bacteria to produce transgenic plants.
Genetic variation in bacterial populations cannotresult from(A) transduction.(B) conjugation.(C) mutation.(D) meiosis.
Chapter 27 Solutions
Biology
Ch. 27.2 - Core Skill: Connections Look ahead to Section...Ch. 27.2 - Prob. 2CSCh. 27.2 - Structure and Movement Concept Check: Does the...Ch. 27.2 - Prob. 3CSCh. 27.3 - Prob. 1CCCh. 27.5 - Prob. 1EQCh. 27.5 - Prob. 2EQCh. 27 - Which of the following features is common to...Ch. 27 - The bacterial phylum whose members typically...Ch. 27 - Gram-staining is a procedure that microbiologists...
Ch. 27 - Place the following steps in the correct order,...Ch. 27 - What ecological role do cyanobacteria play? a....Ch. 27 - Prob. 6TYCh. 27 - Prob. 7TYCh. 27 - Prob. 8TYCh. 27 - Prob. 9TYCh. 27 - Prob. 10TYCh. 27 - Prob. 1CQCh. 27 - Prob. 2CQCh. 27 - Prob. 3CQCh. 27 - Prob. 1COQCh. 27 - Prob. 2COQ
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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_forwardHow do scientists induce prokaryotes to produce human proteins?a. They insert human genes into bacterial genomes.b. They cross bacterial strains until the proteins arise at random.c. They inject bacteria into human muscles.d. All of the above are correct.arrow_forwardWhen do bacteria form endospores? a-when they get ready to reproduce b-when environmental conditions become unfavorable c-when they get ready to carry out conjugation d-when they carry out photosynthesisarrow_forward
- Mitochondria are thought to be the descendants of certain alpha proteobacteria. They are, however, no longer able to lead independent lives because most genes originally present in their genome have moved to the nuclear genome. Which phenomenon accounts for the movement of these genes? Group of answer choices A. recombination B. conjugation C. translation D. endosymbiosisarrow_forwardBoth archaea and eukaryotes have______ . a. peptidoglycan c. a nucleus b. histone proteins d. a capsidarrow_forwardWhich of the following observations about a bacterium would distinguish it from the last eukaryotic common ancestor? a. A double-stranded DNA genome b. Lack of a membrane-bound structure surrounding the genome c. Fatty acids in the lipid bilayer of the plasma membrane d. Enclosed by a cell wallarrow_forward
- Which of the following are prokaryotic? a. bacteria b. archaea c. protists d. both a and barrow_forwardWhen do bacteria form endospores? a-When environmental conditions are unfavourable b-When they want to carry out photosynthesis c-When they want to reproduce through binary fission d-When they want to reproduce through conjugationarrow_forwardBioremediation includes _____. a. the use of prokaryotes that can fix nitrogen b. the use of prokaryotes to clean up pollutants c. the use of prokaryotes as natural fertilizers d. All of the abovearrow_forward
- According to the endosymbiotic theory, why was it adaptive for the larger (host) cell to keep the engulfed cell alive, rather than digesting it as food? A. The host cell would have been poisoned if it had digested the engulfed cell. B. The host cell was able to survive anaerobic conditions with the engulfed cell alive. C. The engulfed cell provided the host cell with CO2 D. The engulfed cell provided the host cell with ATP. E. The engulfed cell allowed the host cell to metabolize glucose.arrow_forwardDefine the following terms: a. chaperone-mediated autophagy b. microautophagy c. macroautophagy d. autophagosome e. isolation membranearrow_forwardWhich process is occurring in these bacteria? A. transduction B. transformation C. conjugation D. reproductionarrow_forward
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