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which of the following is a facultative, rather than obligate, intracellular pathogen?

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What do you mean by intracellular pathogen. Give some examples of facultative and obligate intracellular pathogen.

 

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Keith Leannon
Keith LeannonLv2
13 Mar 2020
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Need help developing a hypothesis and experiment based on a relationship to oxygen to growth lab (basic micro lab using thioglycollate, tsa agar plate and anaerobe boxes/gas packs as media and four cultures including Pseudomonas fluorescens, clostridium butyricum, Staphylococcus aureus, and enterococcus faecalis) determining which are obligate aerobs, obligate anerobes, facultative anaerobes, and aerotolerant. I need to design an experiment with hypothesis, controlled variable, independent variable, and dependent variable. Please help--thank you!Need help developing a hypothesis and experiment based on a relationship to oxygen to growth lab (basic micro lab using thioglycollate, tsa agar plate and anaerobe boxes/gas packs as media and four cultures including Pseudomonas fluorescens, clostridium butyricum, Staphylococcus aureus, and enterococcus faecalis) determining which are obligate aerobs, obligate anerobes, facultative anaerobes, and aerotolerant. I need to design an experiment with hypothesis, controlled variable, independent variable, and dependent variable. Please help--thank you!

Oxygen Lab worksheet

What is a hypothesis that can be developed using data collected from this experiment?

Provide a brief description of an experiment that can be performed to test that hypothesis.

In your proposed experiment, provide at least one example of each of the following variables:

Controlled variable

Independent variable

Dependent variable

What useful or applied information can be gathered from this type of experiment?

That is, what is a real-world application of this information?

.1. discuss the four toxic forms of oxygen, how to detoxify them,why they are dangerous to cells, even ours.

2. Presence or absence of oxygen detoxifying genes and whichmetabolic pathway to produce ATP is directly related to whethermicroorganisms are considered obligate aerobes, obligate anaerobes,facultative anaerobes, aerotolerant anaerobes, or microaerophiles.Could you make a chart to explain this phenomenom
?
3. Some microbes can nitrogen fix and some can carbon fix which isa definite advantage. Why?

4. Mineral, are trace elements, and vitamins, are growth factors,are required in small amounts for many microbes.

5. Optimum growth temperatures, pH range, osmotic pressure alleffect growth how?

6. psychrophiles, mesophiles, thermophiles, hyperthermophiles – allrefer to?

7. What are quorum sensing and biofilms?

10 what is the generation time>
11. Estimate population size by direct and indirect methods.

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