IYpes of Bacteriaoxygen1.a. Containsb. Cell wall containsbacteriaEx. Escherichia Coli(a carbohydrate)C.2.a. More likethan eubacteriab. Cell wall does not contain peptidoglycan (a carbohydrate)C. Live inenvironments (hot springs, Mars, ocean depths, etc.)d. Ex. Methanogens- live without OxygenIdentifying Bacteria1. By Shapea.rod shapedsphericalspiral or corkscrew-shapeb.Cc.2. By Chemistry of the Cell WallCocciSpirillaa.bacteria - dark violetb.bacteria - pink or light red3. By Movementa. Bacilli - useor "tail"b. Cocci -moveBactliiC. Spirilla - spin andon slime4. By Energy Sourceto obtain energy- "Eat" to obtain carbon and useand energya.b."Eat" to obtainto chemical energy- create own energy by changingC.- create own energy bychemicals (often in dark places)d.Growth and Reproduction1.doubles in size, DNA replicates, and(see picture to the right)2.genetic exchange betweenbacterial cells 3.- bacteria form "spores" insideof them and wait for good conditions to reactivate DNAirImportance1."Nature's Recyclers"a.from dead organisms back into the soilb. Sewage treatment - from your toilet to purified water2.turning nitrogen gas into aform for plants(help digestion), food,3.- bacteria in ourand digestion.Bacterial Disease in Humans1.conflict betweenanda. Disease results when bacteria interfere with the host's ability to obtainnutrientsb. Some bacteria damage the cells and tissues of infected organisms byfor foodc. Other bacteria(poisons) that travel throughout the body2. Symptoms of bacterial disease (infection)a. Skin rashes or lesions, elevated body temperatures, swollen glands or tissues, orincreased white blood cell count

Bacterial cell wall is very unique it is made up of a unique carbohydrates. it is a very important…

like than eubacteria D. Cell wall does not contain peptidoglycan (a carbohydrate) Live in d. Ex. Methanogens-live without Oxygen C. environments (hot springs, Mars, ocean depths, etc.) Ing Bacteria By Shape a. rod shaped - spherical - spiral or corkscrew-shape b. 8. C. Chemistry of the Cell Wall bacteria - dark violet Cocci Spirilla a. b. bacteria - pink or light red Movement a. Bacilli - use or "tail" b. Cocci - C. Spirilla - spin and Energy Source move Bacilit on slime to obtain energy "Eat" to obtain carbon and use "Eat" to obtain create own energy by changing - create own energy by. a. and energy b. to chemical energy c. chemicals (often in dark places) Reproduction doubles in size, DNA replicates, and (see picture to the right) genetic exchange between

like than eubacteria D. Cell wall does not contain peptidoglycan (a carbohydrate) Live in d. Ex. Methanogens-live without Oxygen C. environments (hot springs, Mars, ocean depths, etc.) Ing Bacteria By Shape a. rod shaped - spherical - spiral or corkscrew-shape b. 8. C. Chemistry of the Cell Wall bacteria - dark violet Cocci Spirilla a. b. bacteria - pink or light red Movement a. Bacilli - use or "tail" b. Cocci - C. Spirilla - spin and Energy Source move Bacilit on slime to obtain energy "Eat" to obtain carbon and use "Eat" to obtain create own energy by changing - create own energy by. a. and energy b. to chemical energy c. chemicals (often in dark places) Reproduction doubles in size, DNA replicates, and (see picture to the right) genetic exchange between

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter26: Prokaryotes: Bacteria And Archaea

Section: Chapter Questions

Problem 9TYK

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Robert Koch (a) proposed a set of guidelines to demonstrate that a specific pathogen causes specific disease symptoms (b) discovered Helicobacter (c) showed that biofilms consist of microorganisms (d) proposed a hypothesis for antibiotic resistance (e) demonstrated that people can be stimulated to develop immunity to disease
At the health center, a fecal sample was taken from a feverish student. Organisms with corkscrewlike flagella and no endomembranes but with cell walls that lack peptidoglycan were isolated as the cause for the illness. These organisms probably belong to the group: a. chlamydias. b. spirochetes. c. Euryarchacota. d. Cyanobacteria. e. Archaea.
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 eukarya
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What is the relationship between normal flora Escherichia coli (E. coli) and STEC? A When normal flora E.coli divide in two, they sometimes turn into STEC. B Everyone is colonized by STEC but only some people have non-STEC microbes in the large intestine. C Normal flora E.coli do not make Shiga toxin, but STEC are E. coli that do make Shiga toxin.
Bacteria such as Mycoplasma that lack cell walls are:(a) Sensitive to penicillin(b) Resistant to penicillin(c) Protected from adverse conditions by a waxy, acid-fastcoating(d) Obligated to live inside of other cells as endosymbionts
1) Which of the following apply(ies) to Bacillus cereus and Bacillus anthracis? Choose all that apply: a) B. anthracis forms spores while B. cereus does not b) B. cereus is more lethal when it causes an infection c) B. anthracis has extra-chromosomal DNA that makes it more pathogenic d) Despite their similar names, the two are actually not at all related e) The 16S rRNA gene sequences of these bacteria are more than 99% identical, meaning that they are actually members of the same species
Why can bacterial ribosomes be targeted by antibiotics?a) Because they are different from eukaryotic ribosomesb) Because eukaryotes don't have ribosomesc) Because they are identical to eukaryotic ribosomes explain answer
22) Which of the techniques/characteristics below may be used to identify a target bacterium in a pool of microorganism? ( a) its morphology () b) its growth requirement c) antibody-antigen interaction d) all of the above. ( e) a and c 23) What is the process that produces alcohol in S. cerevisiae (yeast)? ( a Respiration ( b) Sedimentation c) Photosynthesis ) d) Fermentation
1. What is the purpose of a cell wall in bacteria? A. Structure B. Protection C. Peptidoglycan production D. a&b 2. Which of the following are features of Flagella? A. Found on the cell surface B. Necessary for movement C. Found only on bacteria D. A & B E. C & D 3. Choose an answer that best describes tthe difference between a plant vs. animal cell A. Only animals have cell walls B. Lysosomes are only found in plant cells C. Plant cells have chloroplasts and mitochondria, animal cells have only mitochondria, and both organelles generate energy in the form of ATP via electron transport. D. Peroxisomes are only found in animal cells 4. Which of the folllowing organelles/complexes makes proteins? A. The Nucleus B. Cytoplasm C. Peroxisomes D. Ribosome E. Golgi Apparatus
What is it about clams that make them especially likelysources of human infection?(a) They have sticky interiors that make microorganism at-tachments easy.(b) Their ability to glow with Photobacterium phosphor-eum attracts pathogenic species of microorganisms.(c) They are best eaten raw.(d) They are filter feeders, obtaining food by filtering waterand extracting microbes.(e) Their hard outer shell seals in and concentrates anycontaminating microbes.
An infectious material is isolated from a nerve cell. It contains protein with amino acid sequences identical to the host protein but no nucleic acids. It belongs to the group: a. prions. b. Archaea. c. toxin producers. d. viroids. e. spore formers.