Chapter 11 – PROKARYOTES
... • bacteria that prey on other bacteria • many sulfur reducing genera (produce H2S from SO) ...
... • bacteria that prey on other bacteria • many sulfur reducing genera (produce H2S from SO) ...
3 - Prokaryotes - Bacteria and Archaea - kyoussef-mci
... 1. Most people think that all bacteria are pathogenic (disease-causing). List four examples where this is not the case. 2. Bacteria show incredible diversity. How are bacteria classified? 3. What are the three main shapes exhibited by bacteria? Provide an example for each. 4. Bacteria are also class ...
... 1. Most people think that all bacteria are pathogenic (disease-causing). List four examples where this is not the case. 2. Bacteria show incredible diversity. How are bacteria classified? 3. What are the three main shapes exhibited by bacteria? Provide an example for each. 4. Bacteria are also class ...
lecture 03a
... • Disinfect: kill most microbes, especially harmful ones, but probably not necessarily spores which are resistant. • Disinfectant: chemical used on inanimate objects to kill microorganisms. • Antiseptic: used to disinfect living tissue; must be gentler. • Bacteriostatic: keeps bacteria from growing. ...
... • Disinfect: kill most microbes, especially harmful ones, but probably not necessarily spores which are resistant. • Disinfectant: chemical used on inanimate objects to kill microorganisms. • Antiseptic: used to disinfect living tissue; must be gentler. • Bacteriostatic: keeps bacteria from growing. ...
03_Bacterial_Growth_2012 - IS MU
... replicated chromosomes and separates them cell wall grows into the cell at a particular spot and forms a septum that ultimately divides the maternal cell into two daughter cells ...
... replicated chromosomes and separates them cell wall grows into the cell at a particular spot and forms a septum that ultimately divides the maternal cell into two daughter cells ...
Chapter 18 Bacteria Notes
... everywhere. They are the oldest life forms on Earth. E. coli is the most studied bacterium. All bacteria are prokaryotic meaning they have no true nucleus (they do still have genetic material). Bacteria do contain cell walls containing acids & sugars that provide support as well as a cell membrane i ...
... everywhere. They are the oldest life forms on Earth. E. coli is the most studied bacterium. All bacteria are prokaryotic meaning they have no true nucleus (they do still have genetic material). Bacteria do contain cell walls containing acids & sugars that provide support as well as a cell membrane i ...
Bacteria and ArchaeBacteria
... • Those bacteria that can carry out cellular respiration in an oxygen‐free environment are termed anaerobes. • If the presence of oxygen kills these organisms, they are called obligate anaerobes. • A third group of bacteria can survive with or without oxygen and they are called facultative anae ...
... • Those bacteria that can carry out cellular respiration in an oxygen‐free environment are termed anaerobes. • If the presence of oxygen kills these organisms, they are called obligate anaerobes. • A third group of bacteria can survive with or without oxygen and they are called facultative anae ...
When the rate of change depends upon the amount present we get
... a. Find an expression for the number of bacteria in t hours. b. What is the relative growth rate? c. Find the number of bacteria after 3 hours. d. Find the rate of growth after 3 hours. e. When will the population reach 10,000? ...
... a. Find an expression for the number of bacteria in t hours. b. What is the relative growth rate? c. Find the number of bacteria after 3 hours. d. Find the rate of growth after 3 hours. e. When will the population reach 10,000? ...
Chapter 28 PowerPoint
... – Heterotrophs – from organic molecules • Photoheterotrophs – light as energy source but obtain organic carbon made by other organisms • Chemoheterotroph – both carbon atoms and energy from organic molecules – Humans are also an example ...
... – Heterotrophs – from organic molecules • Photoheterotrophs – light as energy source but obtain organic carbon made by other organisms • Chemoheterotroph – both carbon atoms and energy from organic molecules – Humans are also an example ...
Shapes of Bacteria
... Endospores- hard shell that surround bacteria. Bacteria will produce this shell in times of exposure to harsh environmental changes. They can make you very sick in this form as in Clostridium Botulinum. Caused by improperly cooked or canned food. Cell activity is not specialized. Prokaryotic!!! Chro ...
... Endospores- hard shell that surround bacteria. Bacteria will produce this shell in times of exposure to harsh environmental changes. They can make you very sick in this form as in Clostridium Botulinum. Caused by improperly cooked or canned food. Cell activity is not specialized. Prokaryotic!!! Chro ...
Leptospira bacteria can be found worldwide ... Dogs are most commonly affected. Leptospirosis in cats is rare...
... Leptospirosis is a disease caused by infection with Leptospira bacteria. These bacteria can be found worldwide in soil and water. There are many strains of Leptospira bacteria that can cause disease. Dogs are most commonly affected. Leptospirosis in cats is rare and appears to be mild although very ...
... Leptospirosis is a disease caused by infection with Leptospira bacteria. These bacteria can be found worldwide in soil and water. There are many strains of Leptospira bacteria that can cause disease. Dogs are most commonly affected. Leptospirosis in cats is rare and appears to be mild although very ...
RED HERRING | Bacteria Talk and Manipulate
... “Quorum sensing-controlled processes are often crucial for successful bacterial–host relationships—both symbiotic and pathogenic,” said the paper. Manipulating the Signal Most autoinducers are produced to communicate with bacteria of the same species. However, one autoinducer, known as AI-2, is prod ...
... “Quorum sensing-controlled processes are often crucial for successful bacterial–host relationships—both symbiotic and pathogenic,” said the paper. Manipulating the Signal Most autoinducers are produced to communicate with bacteria of the same species. However, one autoinducer, known as AI-2, is prod ...
Gene exchange
... • Transfer of DNA one to cell to another by a virus – Conjugation • “Mating”: transfer of DNA from one bacterium to another by direct contact. ...
... • Transfer of DNA one to cell to another by a virus – Conjugation • “Mating”: transfer of DNA from one bacterium to another by direct contact. ...
20.3
... Vaccines weakened or killed pathogen or inactivated toxin (usually for viral diseases) (prevention) ...
... Vaccines weakened or killed pathogen or inactivated toxin (usually for viral diseases) (prevention) ...
who turned out the lights
... In other caves, microbes form a thick gray slime that drips down the walls and off the ceilings. These are very appropriately called “snottites.” (EWWW!) ...
... In other caves, microbes form a thick gray slime that drips down the walls and off the ceilings. These are very appropriately called “snottites.” (EWWW!) ...
Cells: Prokaryote vs Eukaryote
... capsule: slimy outer coating cell wall: tougher middle layer cell membrane: delicate inner skin ...
... capsule: slimy outer coating cell wall: tougher middle layer cell membrane: delicate inner skin ...
Bacteria Taxonomy – Slide Viewer Set 217
... Bacteria Taxonomy – Slide Viewer Set 217 Introduction: 1. What is taxonomy? __________________________________________________________ 2. Who devised the present system of classification? _________________________________________ 3. Describe the two word naming system. ______________________________ ...
... Bacteria Taxonomy – Slide Viewer Set 217 Introduction: 1. What is taxonomy? __________________________________________________________ 2. Who devised the present system of classification? _________________________________________ 3. Describe the two word naming system. ______________________________ ...
Fundamentals of Microbiology
... Two types of growth system-open and closed • Within a open system nutrients are constantly replenished and population growth will not stop e.g. biofilms in the pipework of food factories will have constant access to fresh nutrients • Within a closed system, nutrients and other factors will become l ...
... Two types of growth system-open and closed • Within a open system nutrients are constantly replenished and population growth will not stop e.g. biofilms in the pipework of food factories will have constant access to fresh nutrients • Within a closed system, nutrients and other factors will become l ...
Microbial Biotechnology
... What are some other characteristics of prokaryotes? (no nucleus, cell wall (gram stain), binary fission, 20 minute growth rate, conjugation (transfer of DNA by cytoplasmic bridge), transduction (DNA is packaged in a virus and infects recipient bacterial cells ...
... What are some other characteristics of prokaryotes? (no nucleus, cell wall (gram stain), binary fission, 20 minute growth rate, conjugation (transfer of DNA by cytoplasmic bridge), transduction (DNA is packaged in a virus and infects recipient bacterial cells ...
Pathogens – Bacteria & Viruses
... Too small to see with a regular light microscope Must use an electron microscope to be seen. ...
... Too small to see with a regular light microscope Must use an electron microscope to be seen. ...
Fight the Resistance
... • Taking antibiotics for colds and other viral illnesses not only won't work, but it also has a dangerous side effect: over time, this practice helps create bacteria that have become more of a challenge to kill. Frequent and inappropriate use of antibiotics selects for strains of bacteria that can r ...
... • Taking antibiotics for colds and other viral illnesses not only won't work, but it also has a dangerous side effect: over time, this practice helps create bacteria that have become more of a challenge to kill. Frequent and inappropriate use of antibiotics selects for strains of bacteria that can r ...
Answers to Mastering Concepts Questions
... matter in soil and water, as photosynthesizers that contribute O2 to the atmosphere, and as the base of the food chain in many environments. Some prokaryotes also fix nitrogen, which enriches soils and completes the nitrogen cycle. 2. The microbes that colonize the human body help defend it from att ...
... matter in soil and water, as photosynthesizers that contribute O2 to the atmosphere, and as the base of the food chain in many environments. Some prokaryotes also fix nitrogen, which enriches soils and completes the nitrogen cycle. 2. The microbes that colonize the human body help defend it from att ...
WHAT DO FOSSIL BACTERIA LOOK LIKE? EXAMPLES OF 3.5
... ancient terrestrial rocks has also been beset by controversy and difficulty. In 30 years of investigation of organic-walled, filamentous and spheroid structures, only a few of the many described have finally been accepted as probable bacterial fossils (1,2). Furthermore, experiments to fossilise bac ...
... ancient terrestrial rocks has also been beset by controversy and difficulty. In 30 years of investigation of organic-walled, filamentous and spheroid structures, only a few of the many described have finally been accepted as probable bacterial fossils (1,2). Furthermore, experiments to fossilise bac ...
Fast Facts About Pathogens
... their number in 15 minutes with or without oxygen. Theoretically, bacteria, under the proper environmental conditions can grow at an exponential rate. A single bacterium can create more than a million bacteria in about five hours. VIRUSES Viruses are the simplest form of life. Their structure, metho ...
... their number in 15 minutes with or without oxygen. Theoretically, bacteria, under the proper environmental conditions can grow at an exponential rate. A single bacterium can create more than a million bacteria in about five hours. VIRUSES Viruses are the simplest form of life. Their structure, metho ...
bacteria and fungi Reproduction
... How humans use and are affected by micro-organisms could include: nutrient cycling, food production, sewage treatment, food poisoning, disease in living things, microbial attack on everyday materials (helpful and harmful), antibiotics, and resistance to antibiotics. ...
... How humans use and are affected by micro-organisms could include: nutrient cycling, food production, sewage treatment, food poisoning, disease in living things, microbial attack on everyday materials (helpful and harmful), antibiotics, and resistance to antibiotics. ...
Moneran/Prokaryotic Organism Subclassification Kingdom? Division
... Moneran/Prokaryotic Organism Subclassification All members of these groups are prokaryotic. The Archaee differ from the Eubacteria in that Archaea have introns, cell membrane lipids with ether binds rather than ester bonds between glycerol and fatty acids, lack peptidoglycan (cell wall polymer) whic ...
... Moneran/Prokaryotic Organism Subclassification All members of these groups are prokaryotic. The Archaee differ from the Eubacteria in that Archaea have introns, cell membrane lipids with ether binds rather than ester bonds between glycerol and fatty acids, lack peptidoglycan (cell wall polymer) whic ...