Microbiology Fundamentals: A Clinical Approach
3rd Edition
ISBN: 9781260163698
Author: Cowan
Publisher: MCG
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Chapter 3, Problem 6Q
Summary Introduction
To determine:
The reasons for the similarities between bacteria and eukaryotic cells that are radically different organisms.
Introduction:
Bacteria are prokaryotes, which have no organelles. They are single-celled organisms. Their cell wall has peptidoglycan and they reproduce by binary fission. The bacteria included in prokaryotes, are unicellular organisms without a nucleus and their chromosomes are condensed in the cytoplasm. They contain ribosomes of 70S type.
Eukaryotes can be distinguished from other organisms, because they contain a eukaryotic cell with true nucleus. There are limited numbers of sources of carbon and energy that are able for eukaryotes and they can reproduce sexually. Evolution would be occur in eukaryotes intheir gene regulation patterns, cell shape, and cell types that can further interact for their growth and development.
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Students have asked these similar questions
Bacteria differ from Eukarya in all of the following except for
Lack introns
Lack histone proteins
Have smaller ribosomes
Lack a plasma membrane
Have peptidoglycan
Which of the following is/are found in bacteria BUT NOT in eukaryotes?
Cell walls
Phospholipids
DNA genomes
None of the above: All are found in bacteria and some or all Eukaryotes
You a clinical lab worker. Your boss hands you a sample and asks you to identify the genus of bacteria in the sample. Using a microscope, you see long chains spherical bacteria, indicative of repeated divisions along one plane. To what genus do you think bacterial sample belongs? (Choose all that apply.)
Group of answer choices
Lactobacillus
Lactococcus
Staphylococcus
Streptococcus
Caulobacter
Chapter 3 Solutions
Microbiology Fundamentals: A Clinical Approach
Ch. 3.1 - List the structures all bacteria possess.Ch. 3.1 - Identify three structures some but not all...Ch. 3.1 - Describe three major shapes of bacteria.Ch. 3.1 - Provide at least four terms to describe bacterial...Ch. 3.2 - Describe the structure and function of six...Ch. 3.2 - Prob. 6AYPCh. 3.2 - Q. Device-associated infections are very common...Ch. 3.3 - Differentiate between the two main types of...Ch. 3.3 - Prob. 8AYPCh. 3.3 - Prob. 9AYP
Ch. 3.3 - Prob. 2MMCh. 3.4 - Identify seven structures that may be contained in...Ch. 3.4 - Prob. 11AYPCh. 3.4 - Prob. 1NPCh. 3.5 - Compare and contrast the major features of...Ch. 3.6 - Differentiate between Bergeys Manual of Systematic...Ch. 3.6 - Name four divisions ending in cutes and describe...Ch. 3.6 - Define a species in terms of bacteria.Ch. 3 - Archaea a. are most genetically related to...Ch. 3 - Prob. 2QCh. 3 - Suppose an argument in your city has erupted about...Ch. 3 - Prob. 4QCh. 3 - As a supervisor in the infection control unit, you...Ch. 3 - Prob. 6QCh. 3 - Prob. 7QCh. 3 - Prob. 8QCh. 3 - Bacteria and archaea have a much greater diversity...Ch. 3 - Prob. 10QCh. 3 - Bacteria have been found to change the structures...Ch. 3 - Bacterial and archaeal chromosomes are not...Ch. 3 - Prob. 13QCh. 3 - The results of your patients wound culture just...Ch. 3 - We know that bacteria/archaea and their genetics...Ch. 3 - Find the true statement about biofilms. a. They...Ch. 3 - Suggest more than one reason why bacteria may...Ch. 3 - Construct arguments agreeing with and refuting...Ch. 3 - Which of the following would be used to identify...Ch. 3 - During the cold war between the Soviet Union and...Ch. 3 - During the cold war between the Soviet Union and...Ch. 3 - From chapter 2, figure 2.18. Explain why some...
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- Archaea are different from Eubacteria are different types of prokaryotes because... Archaea lack a nucleus Archaea are unicellular Archaea lack peptidoglycan in their cell wall Archaea do not have ribosomesarrow_forwardWhich of the following is a possible characteristic of prokaryotic and eukaryotic cells? O peptidoglycan O linear DNA O pseudomurein O photosynthetic membrane system O plasmidsarrow_forwardAll of the following are correctly matched and can be found in bacteria EXCEPT: O Cell wall - contains peptidoglycan Ribosomes - site of protein synthesis Nucleus - membrane-bound organelle containing multiple chromosomes Cell (plasma) membrane - encloses cytoplasm; phospholipid bilayer with proteins O None of the other four answers (all are correctly matched and can be found in bacteria)arrow_forward
- True or false prokaryote's DNA is in the form of one single, circular chromosomearrow_forwardWhat are the flaws ? Prokaryotes can live in many different environments. Anerobic organisms need oxygen to survive, while aerobic organisms can survive without oxygen. Autotrophs are organisms that can assemble high energy macromolecules for their energy. Chemotrophs are organisms that capture energy from light. Extremophiles are organisms that grow in extreme conditions like boiling water. Gram-positive bacteria have few layers of peptidoglycan, while gram-negative bacteria have many layers of peptidoglycan and are surrounded by an outer membrane. Harmful bacteria can cause illness like food poisoning. Helpful bacteria can be used in food production to make yogurt. The endosymbiotic theory states that some of the organelles in eukaryotes were once free living prokaryotes. This is supported by the mitochondria and cytoplasm since they have their own DNA and ribosomes. Harmful protists can cause diseases like malaria in humans and downy mildew in plants. Helpful protists can be…arrow_forwardMicrobiologists have announced the discovery of over 30 new species of bacteria that thrive between the teeth and gums of humans. The bacteria could not be grown in the researcher's laboratories, nor were any of them ever observed via and kind of microscopy. If they couldn't culture them or see them, how could the researchers know they discovered a new species? If they couldn't examine the cells for the presence of a nucleus, how did they determine that the organisms were prokaryotes and not eukaryotes?arrow_forward
- The famous scientist Louis Pasteur incorrectly assumed that the process of fermentation was a biological process, not one that was possible using ordinary chemistry. Of course, he was mistaken. One form of protein bridged the biological/chemical divide, allowing processes to take place both within and outside of cells. What are these proteins called, and how do they allow Pasteur to do what he thought was impossible?arrow_forwardBacteria and Archaea are sometimes termed nature’s master chemists. Why is this a more apt description for members of the Prokaryotic tree of life than the branch of Eukaryotic life?arrow_forwardWhich of the following are true of prokaryotic cells? [Select any/all that apply.] They are usually multicellular organisms. They have ribosomes. They are represented in the Domain Bacteria. They have cell walls. Their DNA is in the nucleolus.arrow_forward
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