Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN: 9781337408332
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 20, Problem 14SQ
Summary Introduction
Introduction: Archaea are the prokaryotes that appear different from the bacteria in structure. Eukaryotic organisms are the organisms with single or multiple cells that have complex organization than the prokaryotes. There are many similarities between the archaea and eukaryotes. One such similarity is the presence of histone proteins that make up the nucleosomes in them. Histone proteins help in condensation of long DNA strands into smaller compacted DNA structure called as nucleosomes.
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Students have asked these similar questions
The ____ is located outside the cell wall in a prokaryotic cell.a. nucleoid b. nucleus c. capsuled. ribosome
Match the term with the definition
A. Capsid
B. Mitochondria
C. Ribosome
D. Envelope
E. fimbrae
F. Eukaryotic cell membrane
G. Flagella
derived from a host cell’s cell membrane
Structure that encloses the genetic material of a virus
acts as a selectively permeable membrane
Organelle in which ATP is produced
Structures used by bacteria for attachment
organelle that performs protein synthesis
Structures used by bacteria for motility
This group of prokaryotes are not actually closely related but are grouped together because they are all bacillus-shaped and adapted to low oxygen
environments.
O A. Archaea
O B. Firmicutes
O C. Cyanobacteria
D. CFB bacteria
Chapter 20 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 20 - Bacteriophage-Inspired Antibiotics Although...Ch. 20 - Bacteriophage-Inspired Antibiotics Although...Ch. 20 - Bacteriophage-Inspired Antibiotics Although...Ch. 20 - The genome of ___ can be either RNA or DNA. a. a...Ch. 20 - The capsid of a virion consists of ___ . a. DNA b....Ch. 20 - Bacteriophages kill their host quickly by ______ ....Ch. 20 - The genetic material of HIV (a retrovirus) is...Ch. 20 - Prob. 5SQCh. 20 - Prob. 6SQCh. 20 - Prob. 7SQ
Ch. 20 - Bacteria that serve as decomposers are ___ . a....Ch. 20 - Prob. 9SQCh. 20 - Formation of a(n) ___ allows some soil bacteria to...Ch. 20 - _____ in the stomach of a cow release methane. a....Ch. 20 - A plasmid is a circle of ___ . a. RNA b. DNA c....Ch. 20 - Prob. 13SQCh. 20 - Prob. 14SQCh. 20 - Prob. 15SQCh. 20 - Prob. 1CTCh. 20 - Adenoviruses that cause colds do not have a lipid...Ch. 20 - The antibiotic penicillin acts by interfering with...Ch. 20 - Raw red alga of the genus Porphyra is part of a...
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- Peptidoglycan is a chemical compound found in the cell walls of (a) most viroids (b) most archaea (c) all prokaryotes (d) most bacteria (e) most eukaryaarrow_forwardAccording to the endosymbiotic theory, _____ were/was originallyphotosynthetic bacteria.a. ribosomesb. chloroplastsc. mitochondriad. the nucleusarrow_forwardWhich of the following microorganisms contain large amounts of peptidoglycan? a. Some viruses O b. Gram positive bacteria O c. All kinds of fungi O d. Gram negative bacteriaarrow_forward
- Bacteria that lack fimbriae are less likely to ________.a. adhere to cell surfacesb. swim through bodily fluidsc. synthesize proteinsd. retain the ability to dividearrow_forward2) Which of the following statements about archaea is false? Many archaea are important carbon fixers that can use either а. sunlight or chemicals like sulfur in order to fix carbon. |Archaea have a lipid bilayer, similar to bacteria and eukaryotes. Archaea are involved in all parts of the nitrogen cycle. b. С. Archaea typically have a single chromosome, but they often have d. multiple copies of their singe chromosome unlike bacteria.arrow_forwardThe surface-to-volume ratio____ . a. does not apply to prokaryotic cells b. constrains cell size c. is part of the cell theoryarrow_forward
- Nuclear matter without envelope occurs in A Bacteria and Green Algae B Bacteria and Cyanobacteria C Cyanobacteria and Red Algae D Mycoplasma and Green Algaearrow_forwardArchaea cells do NOT often have: a. preferences for extreme habitats. b. specifically identifiable ribosomal RNA genes. c. Branched chains in their membrane lipids. d. Ester linkages in their phospholipids. e. Pseudomurein cell wall containing no N-acetylmuramic acid and no D-amino acids. f. circular chromosomes.arrow_forwardWhich of the following is NOT true about bacterial endospores? A. They are produced by bacteria of the genus Bacillus and Clostridium B. They are “resting cells” for survival during adverse environmental conditions C. Resistant to desiccation (drying), heat, and chemicals D. Formed by walling off one end of the bacterial cell and surrounding it with a thick spore coat E. They represent a type of reproduction because their formation results in an increase in the number of bacterial cellsarrow_forward
- are these found in eukaryotes, prokaryotes or both? 1. nucleus 2. cell membrane 3. inclusion bodies 4. cell wall 5. peptidoglycan 6. genome 7. endoplamis reticulum 8. chloroplastsarrow_forward4. an ancestral eukaryote engulfed an aerobic bacterium that evolved into this present day a. mitochondrion b. nucleus c. golgi apparatus d. ribosomearrow_forwardTo reproduce sexually, two ciliates join and_______ . a. infect cells c. emit light b. form spores d. exchange micronucleiarrow_forward
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