Chapter 6: Microbial Nutrition and Growth
... 5. Oxygen: Organisms that use molecular oxygen (O2), produce more energy from nutrients than anaerobes. Can classify microorganism based on their oxygen requirements: A. Obligate Aerobes: Require oxygen to live. Disadvantage: Oxygen is not found in all environments and dissolves poorly in water. Exa ...
... 5. Oxygen: Organisms that use molecular oxygen (O2), produce more energy from nutrients than anaerobes. Can classify microorganism based on their oxygen requirements: A. Obligate Aerobes: Require oxygen to live. Disadvantage: Oxygen is not found in all environments and dissolves poorly in water. Exa ...
Chapter 1 - Bellarmine University
... nucleus, are more complex morphologically, and are usually larger than prokaryotic cells ...
... nucleus, are more complex morphologically, and are usually larger than prokaryotic cells ...
Gram-staining procedure
... group they might claim that supernatural forces were at work. “God is punishing us for our sins or the Devil is responsible.” The very thought that a delicate unarmed microorganism, so small as to be invisible, could kill a man was absurd. Yet Louis Pasteur, Joseph Lister and Robert Koch, three gian ...
... group they might claim that supernatural forces were at work. “God is punishing us for our sins or the Devil is responsible.” The very thought that a delicate unarmed microorganism, so small as to be invisible, could kill a man was absurd. Yet Louis Pasteur, Joseph Lister and Robert Koch, three gian ...
β-lactamase gene blaSHV detected in bacteria
... indicates that there could be other resistance genes other than blaTEM and blaSHV present which may be responsible for encoding the resistance, such as CTX-M. This resistance appears to have arisen through the initial transfer of the chromosomal β-lactamase gene from Kluyvera spp. to conjugative pla ...
... indicates that there could be other resistance genes other than blaTEM and blaSHV present which may be responsible for encoding the resistance, such as CTX-M. This resistance appears to have arisen through the initial transfer of the chromosomal β-lactamase gene from Kluyvera spp. to conjugative pla ...
General Pathology of Infectious Diseases
... membrane-enclosed organelles. Most bacteria are bound by a cell wall consisting of peptidoglycan, a polymer of long sugar chains linked by peptide bridges surrounding the cell membrane. There are two common forms of cell wall structure: a thick wall that retains crystal-violet stain (gram-positive b ...
... membrane-enclosed organelles. Most bacteria are bound by a cell wall consisting of peptidoglycan, a polymer of long sugar chains linked by peptide bridges surrounding the cell membrane. There are two common forms of cell wall structure: a thick wall that retains crystal-violet stain (gram-positive b ...
10470 exploring bacteria - The Described and Captioned Media
... how differences in eukaryotes and prokaryotes form a basis for biological classification. How can you tell bacteria apart? Each bacterium is a single cell, yet there are many different species. Excellent micrographs show the three main shapes of bacteria: spherical cocci, rod-shaped bacilli, and spi ...
... how differences in eukaryotes and prokaryotes form a basis for biological classification. How can you tell bacteria apart? Each bacterium is a single cell, yet there are many different species. Excellent micrographs show the three main shapes of bacteria: spherical cocci, rod-shaped bacilli, and spi ...
Biofilm Centre
... Cyanobacteria (Greek: κυανός (kyanós) = blue + bacterium) also known as Cyanophyta is a phylum (or "division") of Bacteria that obtain their energy through photosynthesis. ¾They are often referred to as blue-green algae, although they are in fact prokaryotes, not algae. The description is primarily ...
... Cyanobacteria (Greek: κυανός (kyanós) = blue + bacterium) also known as Cyanophyta is a phylum (or "division") of Bacteria that obtain their energy through photosynthesis. ¾They are often referred to as blue-green algae, although they are in fact prokaryotes, not algae. The description is primarily ...
Survival and degradation of Salmonella enterica serotype Enteritidis
... arrows indicate intact bacteria, small arrows indicate accumulations containing processed material. Bar = 4 pm. ...
... arrows indicate intact bacteria, small arrows indicate accumulations containing processed material. Bar = 4 pm. ...
What Should I Do If I Have A Sick Sheep?
... Don’t use the “shotgun” treatment Don’t ask “Doctor Google” Don’t throw away the answers! Don’t do nothing ...
... Don’t use the “shotgun” treatment Don’t ask “Doctor Google” Don’t throw away the answers! Don’t do nothing ...
Concepts and Tools for Studying Microorganisms
... it is necessary to abolish the impression that bacteria are self-contained, independent organisms. In nature few species live such a pure and solitary life. In fact, it has been estimated that up to 99% of bacterial species live in communal associations called biofilms; that is, in a “multicellular ...
... it is necessary to abolish the impression that bacteria are self-contained, independent organisms. In nature few species live such a pure and solitary life. In fact, it has been estimated that up to 99% of bacterial species live in communal associations called biofilms; that is, in a “multicellular ...
19-3 Diseases Caused by Bacteria and Viruses
... Bacterial Disease in Humans Growth of pathogenic bacteria disrupts the body’s equilibrium by interfering with its normal activities and producing disease. ...
... Bacterial Disease in Humans Growth of pathogenic bacteria disrupts the body’s equilibrium by interfering with its normal activities and producing disease. ...
Proteus Vulgaris
... Introduction: It is useful to be able to identify bacteria in order to determine a disease-causing organism or bacteria that produces products for human consumption, such as vitamins or medicines. Due to the size and lack of distinct morphology, bacteria are difficult to identify with only a stained ...
... Introduction: It is useful to be able to identify bacteria in order to determine a disease-causing organism or bacteria that produces products for human consumption, such as vitamins or medicines. Due to the size and lack of distinct morphology, bacteria are difficult to identify with only a stained ...
PDF sample
... times. Other than these scarce remains, we have little information about early life on earth. The marine sediments and continental rocks where bacteria may have been deposited have been flattened and heated over time, or recrystalize completely, so that few rocks (and fossils) of this age have rema ...
... times. Other than these scarce remains, we have little information about early life on earth. The marine sediments and continental rocks where bacteria may have been deposited have been flattened and heated over time, or recrystalize completely, so that few rocks (and fossils) of this age have rema ...
Study Guide to Midterm 2
... Disclaimer: Not ALL of the questions on the midterm will necessarily be found on this document. The Study Questions you have been answering for each chapter are the basis for the midterm questions, but in order to phrase a logical multiple choice question, i.e. how the question is asked, it may be w ...
... Disclaimer: Not ALL of the questions on the midterm will necessarily be found on this document. The Study Questions you have been answering for each chapter are the basis for the midterm questions, but in order to phrase a logical multiple choice question, i.e. how the question is asked, it may be w ...
AP Biology - Al Young Studios
... Nutritional and Metabolic Diversity 13. Distinguish between photoautotrophs, chemoautotrophs, photoheterotrophs, chemoheterotrophs, saprobes, and parasites. Give examples of each. 14. Describe the process and explain the significance of nitrogen fixation. 15. Distinguish among obligate aerobes, facu ...
... Nutritional and Metabolic Diversity 13. Distinguish between photoautotrophs, chemoautotrophs, photoheterotrophs, chemoheterotrophs, saprobes, and parasites. Give examples of each. 14. Describe the process and explain the significance of nitrogen fixation. 15. Distinguish among obligate aerobes, facu ...
Unit 2 Part 1
... • Vacuoles are fluid-filled sacs that hold materials. • Lysosomes contain enzymes to digest material. • Centrioles are tubes found in the centrosomes. – Centrioles help divide DNA. – Centrioles form cilia and flagella. ...
... • Vacuoles are fluid-filled sacs that hold materials. • Lysosomes contain enzymes to digest material. • Centrioles are tubes found in the centrosomes. – Centrioles help divide DNA. – Centrioles form cilia and flagella. ...
Laboratory 1
... Although it is nearly impossible to specifically identify microorganisms by their appearance, microscopy is still an important tool in environmental microbiology. General classes of organisms (filaments, spirochetes, cocci etc.) can be distinguished by their appearance and certain features such as m ...
... Although it is nearly impossible to specifically identify microorganisms by their appearance, microscopy is still an important tool in environmental microbiology. General classes of organisms (filaments, spirochetes, cocci etc.) can be distinguished by their appearance and certain features such as m ...
The comparison of the antibacterial effect of various mouth rinses
... It was clearly shows that CHX and CPC containing mouth rinse are able to prevent the growth of the mixed oral bacteria at the tested concentrations. THY showed less susceptibility effect when compared with blank control and positive control (fig.AST). ...
... It was clearly shows that CHX and CPC containing mouth rinse are able to prevent the growth of the mixed oral bacteria at the tested concentrations. THY showed less susceptibility effect when compared with blank control and positive control (fig.AST). ...
public exam_infectious diseases
... Both the smallpox virus and the anthrax bacterium captured worldwide attention when they were used as biological weapons. Smallpox is a highly infectious human disease which can be transmitted by air within a short distance. Anthrax is essentially a disease of farm animals though humans are suscepti ...
... Both the smallpox virus and the anthrax bacterium captured worldwide attention when they were used as biological weapons. Smallpox is a highly infectious human disease which can be transmitted by air within a short distance. Anthrax is essentially a disease of farm animals though humans are suscepti ...
SYNTHETIC ANTIMICROBIAL AGENTS
... Mechanism of action: They are chemical analogues of p-aminobenzoic acid (PABA) → they competitively inhibit bacterial enzyme, which is responsible for the synthesis of folic acid → inhibit bacterial folic acid, which is the most important factor of microbial life. In environments containing large ...
... Mechanism of action: They are chemical analogues of p-aminobenzoic acid (PABA) → they competitively inhibit bacterial enzyme, which is responsible for the synthesis of folic acid → inhibit bacterial folic acid, which is the most important factor of microbial life. In environments containing large ...
lectures 16 and 17, evolution of microbial life, 070408
... Bacteria that decompose dead organisms are found in the soil, and in the bottoms of rivers, lakes, and oceans. Decomposers return chemical elements to the environment in the form of inorganic compounds that can be used by plants, which in turn feed animals directly or indirectly. If decomposers were ...
... Bacteria that decompose dead organisms are found in the soil, and in the bottoms of rivers, lakes, and oceans. Decomposers return chemical elements to the environment in the form of inorganic compounds that can be used by plants, which in turn feed animals directly or indirectly. If decomposers were ...
V. harveyi
... • The Mary Rose is the only 16th century warship on display anywhere in the world. Built between 1509 and 1511, she was a firm favourite of King Henry VIII. • In 1545, while maneuvering to engage a French fleet outside Portsmouth, she unexpectedly went down in 14 m of water. • The wreck was rediscov ...
... • The Mary Rose is the only 16th century warship on display anywhere in the world. Built between 1509 and 1511, she was a firm favourite of King Henry VIII. • In 1545, while maneuvering to engage a French fleet outside Portsmouth, she unexpectedly went down in 14 m of water. • The wreck was rediscov ...
Activity 5.1.4: Gram Staining Introduction
... In the last activity, you isolated the bacteria that was responsible for Anna’s illness and performed a gross examination of the resultant colonies. While gross examination of unknown bacteria is helpful in eliminating some possibilities, it is rarely sufficient alone to identify unknown bacteria du ...
... In the last activity, you isolated the bacteria that was responsible for Anna’s illness and performed a gross examination of the resultant colonies. While gross examination of unknown bacteria is helpful in eliminating some possibilities, it is rarely sufficient alone to identify unknown bacteria du ...
DanielaGoltsman-MicrobialDiversity_session1
... But in today’s society of science, the new domains are Archaea, Bacteria, and Eukarya. Archaea and Bacteria are no longer grouped in the same category under Prokaryotes because their structures are different from one another. Bacteria have peptidoglycen in its cell membrane made up of phospholipids ...
... But in today’s society of science, the new domains are Archaea, Bacteria, and Eukarya. Archaea and Bacteria are no longer grouped in the same category under Prokaryotes because their structures are different from one another. Bacteria have peptidoglycen in its cell membrane made up of phospholipids ...
Human Bacteria In The Production Of Human Cancer
... relationship, if any, of these submicroscopic virus-like forms of CWD cancer bacteria to the "true" viruses has not been studied. Cancer cytologist Irene Diller and her co-workers demonstrated that these intracellular bacteria could also be found within the nucleus of the cell. Seibert stressed that ...
... relationship, if any, of these submicroscopic virus-like forms of CWD cancer bacteria to the "true" viruses has not been studied. Cancer cytologist Irene Diller and her co-workers demonstrated that these intracellular bacteria could also be found within the nucleus of the cell. Seibert stressed that ...
Bacterial cell structure
Bacteria, despite their simplicity, contain a well-developed cell structure which is responsible for many of their unique biological structures. Many structural features are unique to bacteria and are not found among archaea or eukaryotes. Because of the simplicity of bacteria relative to larger organisms and the ease with which they can be manipulated experimentally, the cell structure of bacteria has been well studied, revealing many biochemical principles that have been subsequently applied to other organisms.