Prescott's Microbiology
10th Edition
ISBN: 9781259281594
Author: Joanne Willey, Linda Sherwood Adjunt Professor Lecturer, Christopher J. Woolverton Professor
Publisher: McGraw-Hill Education
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Chapter 4, Problem 3CHI
Compare, Hypothesize, Invent
3. As we note in section 4.3, archaeal ribosomal proteins can be divided into three classes: (1) those with homologues in all three domains of life, (2) those unique to archaea, and (3) those with homologues in eukaryotic ribosomes. Predict a class of archaeal ribosomal proteins that would refute the argument made by some microbiologists that the term prokaryote should be abandoned.
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.Answer the following question briefly but concisely
1. What aspect of a cell's physical makeup increases gradually as it gets smaller?
2. How could Bacteria and Archaea's tiny size and haploid genome hasten their evolution?
3. How small a cell can get? Justify.
4. If a bacterial cell was enclosed in a capsule, could it do without a cell wall? Why, or why not?
5. Why can gram-negative sulfur-oxidizing chemolithotrophs store sulfur but gram-positive bacteria cannot?
Multicellular organisms with a true nucleus, histone proteins, ester-linked fatty acids in their cellmembranes, opisthokont ancestry, and chitin cell walls, are most likely to be:A. members of kingdom ArchaeobacteriaB. members of kingdom EubacteriaC. members of kingdom AnimaliaD. members of kingdom PlantaeE. members of kingdom Fung
Archaea contains?
Choose the right answer:
a. A nucleus with a virus cell
b. A group of spine animals.
c. Cells with a nucleus.
d. A group of one-celled organisms with no nucleus in their cells.
Chapter 4 Solutions
Prescott's Microbiology
Ch. 4.1 - Retrieve, Infer, Apply 1. Which cell shapes are...Ch. 4.1 - Retrieve, Infer, Apply 2. Archaea was first...Ch. 4.2 - MICRO INQUIRY How is pseudomurein similar to...Ch. 4.2 - Retrieve, Infer, Apply 1. Identify three features...Ch. 4.2 - Retrieve, Infer, Apply 2. Both bacteria and...Ch. 4.3 - Thus far, homologues of intermediate filaments...Ch. 4.3 - Retrieve, Infer, Apply 2. Archaea are often...Ch. 4.4 - Prob. 1RIACh. 4.4 - Retrieve, Infer, Apply 2. What observations about...Ch. 4.4 - Retrieve, Infer, Apply 3. List three aspects of...
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- Walden Pond 5: While you were collecting your pond samples, you were troubled by the organism seen below, which was continually biting you: Domain and Kingdom? [ Choose ] an this organism act as an "arthropod ector" of microbial pathogens? [Choose ] 1 uestion 51arrow_forwardCompare and contrast archaeal and bacterial cell wall structure (peptidoglycan and pseudomurein) in terms of their structures, location variations in cell, and functions (Prepare in table form).arrow_forwardQuestion:- Explain why prokaryotic cells are not really primitive. Include examples.arrow_forward
- I pis Walden Pond 5: While you were collecting your pond samples, you were troubled by the organism seen below, which was continually biting you: Domain and Kingdom? [ Choose ] can this organism act as an "arthropod vector" of microbial pathogens? [Choose] uestion 51arrow_forward. Which of the following prokaryotic kingdoms is characterized by the absence of a nucleus, the absence of histone proteins, the presence of fatty acids ester-linked to glycerol in their G-3-P cell membrane, and the presence of enzymes for constructing a peptidoglycan cell wall? kingdom Archaeobacteria kingdom Animalia kingdom Fungi kingdom Plantae kingdom Eubacteriaarrow_forwardState why the followings are important a)plants 2)fungi 3)animals 4)viruses 5)protistsarrow_forward
- ige Cc Performance Matters Welcome, Ranike Wizzart! Question 15 of 21 - PO Mte Cpanobacterum Ancestral Preharyete Ifeldng pleama membrane deeymbleale Aneestrel haryote ow did the development of Margulis' theory aid in our understanding of how complex organisms came into existence? O It provided an explanation as to why prokaryotic cells do not have a nucleus. O It provides an explanation as to why bacteria and mitochondria are similar in size. D It provides an explanation of how life today could have originated from a single cell. D It provides an explanation of how prokaryotic and eukaryotic cells use oxygen to work.arrow_forward. This flowchart helps distinguish among organisms by asking questions that have one of two possible answers. As a result, this flowchart can also be called a dichotomous key (from Greek dikho- 'in two' + temnein 'to cut'). Complete the flowchart by properly placing these genera: Bacillus, Corynebacterium, Escherichia, Mycobacterium, Neisseria, and Staphylococcus. You may need to look up additional information about these genera. Gram reaction Rod-shaped Negative Coccus-shaped Rod-shaped Positive Coccus-shaped Acid-fast Not acid-fast Spore-former No sporesarrow_forward. The endosymbiotic hypothesis for the origin of mitochondria from gram-negative prokaryotes is supported by all of the following lines of evidence except: A. the presence of enzymes for the Krebs cycle, electron transport, and oxidative phosphorylation the presence of mRNA, tRNA, and rRNA similar to that of the a-proteobacteria the presence of 80s ribosomes, consisting of 40s and 60s ribosomal subunits the presence of circular DNA resembling that of aerobic proteobacteria their use of binary fission rather than mitosis during cell divisionarrow_forward
- Which of the following statements is correct for archaea?(a) Archaea resemble eukaryotes in all respects.(b) Archaea have some novel features that are absent inother prokaryotes and eukaryotes.(c) Archaea completely differ from both prokaryotes andeukaryotes.(d) Archaea completely differ from prokaryotes Please try to break the solutions into as many steps as practically possible and the steps should come one by one and they should be short and crisp and plagiarism-free.arrow_forwardVISUALIZE Draw a simple sketch illustrating the way in which aerobic bacteria are hypothesized to have become incorporated into an original prokaryotic host cell.arrow_forwardDESCRIPTION Why was the - Golden Age of Microbiology - pivotal for advances in health & human well being and what role(s) did Louis Pasteur play in it?arrow_forward
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