which microbe is a good positive control for amylase production? 1. Bacteroides subtilis 2. Escherichia coli...
which microbe is a good positive control for amylase production?
1. Bacteroides subtilis
2. Escherichia coli
3. Bacillus subtilis
4. Staphylococcus aureus
5. Pseudomonas aeruginosa
Homework Answers
Answer- The correct option is C that is Bacillus subtilis because it is a well known bacteria that produces alpha amylase.
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which microbe is a good positive control for amylase
production?
1. Bacteroides subtilis
2. Escherichia coli...
6. Refer to Tables 13.2 and 13.3 and classify Escherichia coli, Bacillus subtilis and Enterobacter aerogenes...
6. Refer to Tables 13.2 and 13.3 and classify Escherichia coli, Bacillus subtilis and Enterobacter aerogenes as Gram-positive, Gram-negative, coliform or non-coliform a. E. coli- b. B. subtilis - C. E. aerogenes- 7. What is the role of eosin and methylene blue in EMB agar? 8. Why do fermenters produce dark colonies on EMB agar? 4 Page
1) Is Bacillus subtilis bacteria gram positive or negative? 2) Is Bacillus subtilis capsule - or...
1) Is Bacillus subtilis bacteria gram positive or
negative?
2) Is Bacillus subtilis capsule - or + ?
3) Does Bacillus subtilis has motile?
4) What is the morphology and arrangement of Bacillus
subtilis?
microbe A 1. Which of these microbes would best represent Staphylococcus aureus? One of these bacteria...
microbe A 1. Which of these microbes would best represent Staphylococcus aureus? One of these bacteria is E. coli, a Gram negative rod. Which microbe on this plate would best represent the results for E. coli? 3. Which of these microbes can ferment mannitol? microbe microbe C
1. The Gram reaction; Gram Positive or Gram Negative 2. The shape of the cells; bacillus,...
1. The Gram reaction; Gram Positive or Gram Negative 2. The shape of the cells; bacillus, coccus, spiral 3. The typical arrangement of the cells; single, pairs, clusters, chains etc. Shape of cells Arrangement of cells Name of organism Gram Reaction Bacillus cereus Enterobacter aerogenes Enterococcus durans Escherichia coli Micrococcus luteus Senatra marcescens Staphylococcus epidermidis streptococcus Salivarius Klebsiella pmeumonia Salmonella entertidis Shigella Sonnei Staphylococcus aureus Streptococcus pyogenes *Hint: The organisms used in the Lab. are listed in the Safety Guidelines...
identify three unknown microbes from a set of 12 possible organisms using morphology and metabolic characteristics....
identify three unknown microbes from a set of 12 possible organisms using morphology and metabolic characteristics. These are the names. Names of Possible Unknown Organisms Escherichia coli Enterobacter aerogenes Proteus hauseri (or P. vulgaris) Alcaligenes faecalis Klebsiella pneumonia Staphylococcus aureus Staphylococcus epidermidis Enterococcus (Streptococcus) faecalis Kocuria rhizophila (or Micrococcus luteus) Bacillus subtilis Corynebacerium xerosis Bacillus cereus In order to identify unknown organisms from the list of twelve bacteria, you will need to develop three dichotomous keys, one for each of...
3. Based on your results, determine which enzymes each bacterial species has and whether or not...
3. Based on your results, determine which enzymes each bacterial species has and whether or not there is evidence for pathogenicity. Bacteria Catalase + Hemolysis (alpha, beta, Coagulase Evidence for pathogenicity Catalase - Enterococcus faecalis gamma | ΝΑ Staphylococcus aureus beta Streptococcus oralis NA Bacillus subtilis Alpha grayish Colonies gamma NA Escherichia coli NA Beta Haemophilus haemolyticus NA NA
is there a way to easily remember this? that includes what dieases they cause. thank you...
is there a way to easily remember this? that includes what
dieases they cause. thank you in advance
Gram Negative Bacteria: Gram Positive Bacteria: Clostridium tetani . C. botulinum C. perfringens C. difficile Bacillus anthracis Bacillus cereus • Staphylococcus aureus Streptococcus pyogenes Streptococcus pneumoniae Streptococcus mutans | Salmonella spp. 2 Salmonella typhi 3 Shigella dysenteriae e 4 Klebsiella pneumoniae 5 Escherichia coli o 6 Vibrio cholera 7 Campylobacter jejunio Hemophilus influenza 9 Bordetella pertussis 10 Legionella pneumophilia Pseudomonas aeruginosa 12...
Scenario 1: A bacterium isolated from a wound sample gave the following results: MacConkey agar =...
Scenario 1: A bacterium isolated from a wound sample gave the following results: MacConkey agar = no growth Mannitol salt agar - good growth, color of medium unchanged Based on these results, which of the following statements is/are true? (Choose ALL true statements.) A. The organism is most likely Gram positive. B. The organism is most likely Gram negative. C. The organism is most likely a bacillus. D. The organism is most likely a coccus. Which of the following most...
the unkown is staphylococcus aureus 5. Draw a flow chart to show how you identify the...
the unkown is staphylococcus aureus
5. Draw a flow chart to show how you identify the unknown among the following possible microbes using minimal number of tests. (You should be able to identify your unknown isolate based on gram stain morphology, and one or two additional test results. Other test results or growth characteristics of the unknown isolate may be used as additional evidences to support your identification.) (Only show the tests which are needed for identify your unknown and...
Chemical Methods of Control: Antimicrobial Drugs PURPOSE TO To provide technique Drovide an antibiotic Sorsitivity test...
Chemical Methods of Control: Antimicrobial Drugs PURPOSE TO To provide technique Drovide an antibiotic Sorsitivity test the rationale for the agar discussion HYPOTHESES 1. All antibiotics will be equally effective against gram-positive and gram-negative bacteria. Aggredisagree 2. All antibiotics will be equally effective against gram-negative E.coli and Paeruginosa bacteria. Agradere RESULTS Pseudomonas aeruginosa B5L-2 Zone Size S. LorR" Escherichia coli Z one Size S,L, or R* Staphylococcus epidermidis Zone Size S. Lor Rº Disk Antimicrobial Agent 8 - susceptible: I...
6. Refer to Tables 13.2 and 13.3 and classify Escherichia coli, Bacillus subtilis and Enterobacter aerogenes as Gram-positive, Gram-negative, coliform or non-coliform a. E. coli- b. B. subtilis - C. E. aerogenes- 7. What is the role of eosin and methylene blue in EMB agar? 8. Why do fermenters produce dark colonies on EMB agar? 4 Page
1) Is Bacillus subtilis bacteria gram positive or
negative?
2) Is Bacillus subtilis capsule - or + ?
3) Does Bacillus subtilis has motile?
4) What is the morphology and arrangement of Bacillus
subtilis?
microbe A 1. Which of these microbes would best represent Staphylococcus aureus? One of these bacteria is E. coli, a Gram negative rod. Which microbe on this plate would best represent the results for E. coli? 3. Which of these microbes can ferment mannitol? microbe microbe C
1. The Gram reaction; Gram Positive or Gram Negative 2. The shape of the cells; bacillus, coccus, spiral 3. The typical arrangement of the cells; single, pairs, clusters, chains etc. Shape of cells Arrangement of cells Name of organism Gram Reaction Bacillus cereus Enterobacter aerogenes Enterococcus durans Escherichia coli Micrococcus luteus Senatra marcescens Staphylococcus epidermidis streptococcus Salivarius Klebsiella pmeumonia Salmonella entertidis Shigella Sonnei Staphylococcus aureus Streptococcus pyogenes *Hint: The organisms used in the Lab. are listed in the Safety Guidelines...
3. Based on your results, determine which enzymes each bacterial species has and whether or not there is evidence for pathogenicity. Bacteria Catalase + Hemolysis (alpha, beta, Coagulase Evidence for pathogenicity Catalase - Enterococcus faecalis gamma | ΝΑ Staphylococcus aureus beta Streptococcus oralis NA Bacillus subtilis Alpha grayish Colonies gamma NA Escherichia coli NA Beta Haemophilus haemolyticus NA NA
is there a way to easily remember this? that includes what
dieases they cause. thank you in advance
Gram Negative Bacteria: Gram Positive Bacteria: Clostridium tetani . C. botulinum C. perfringens C. difficile Bacillus anthracis Bacillus cereus • Staphylococcus aureus Streptococcus pyogenes Streptococcus pneumoniae Streptococcus mutans | Salmonella spp. 2 Salmonella typhi 3 Shigella dysenteriae e 4 Klebsiella pneumoniae 5 Escherichia coli o 6 Vibrio cholera 7 Campylobacter jejunio Hemophilus influenza 9 Bordetella pertussis 10 Legionella pneumophilia Pseudomonas aeruginosa 12...
Scenario 1: A bacterium isolated from a wound sample gave the following results: MacConkey agar = no growth Mannitol salt agar - good growth, color of medium unchanged Based on these results, which of the following statements is/are true? (Choose ALL true statements.) A. The organism is most likely Gram positive. B. The organism is most likely Gram negative. C. The organism is most likely a bacillus. D. The organism is most likely a coccus. Which of the following most...
the unkown is staphylococcus aureus
5. Draw a flow chart to show how you identify the unknown among the following possible microbes using minimal number of tests. (You should be able to identify your unknown isolate based on gram stain morphology, and one or two additional test results. Other test results or growth characteristics of the unknown isolate may be used as additional evidences to support your identification.) (Only show the tests which are needed for identify your unknown and...
Chemical Methods of Control: Antimicrobial Drugs PURPOSE TO To provide technique Drovide an antibiotic Sorsitivity test the rationale for the agar discussion HYPOTHESES 1. All antibiotics will be equally effective against gram-positive and gram-negative bacteria. Aggredisagree 2. All antibiotics will be equally effective against gram-negative E.coli and Paeruginosa bacteria. Agradere RESULTS Pseudomonas aeruginosa B5L-2 Zone Size S. LorR" Escherichia coli Z one Size S,L, or R* Staphylococcus epidermidis Zone Size S. Lor Rº Disk Antimicrobial Agent 8 - susceptible: I...
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