684 Answered Questions for the topic microbiology

Microbiology

12/02/20

Give two reasons for why heat fixing is used? (5 Points) Adherence of bacterial cells to the slide Denaturing of bacterial enzymes to preserve cellular integrity
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Microbiology

12/02/20

Explain acid fast staining?
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Microbiology

12/02/20

What is negative staining and how does it work?

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Microbiology

12/02/20

a) What is Gram staining? b) Describe step by step the procedure c) Explain the basis of Gram staining to differentiate bacteria (Use correct terminology)
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Microbiology Immunology

12/02/20

Justify the statement below
1. T dependent antigens are more useful in generation of the immune response .2 Costimulatory signal is under regulation by the membrane molecules .3 Small fragments generated during complement... more
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Microbiology

12/02/20

Justify the statement , Thymocyte selections during development in thymus is important for adaptive immunity.

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12/02/20

How do scientists perform intercellular colonization of non-leguminous plants by rhizobia? How do they make the bacteria enter the said plants?
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Microbiology

11/28/20

Sewage is 99.9% water and 0.02-0.04% (w/v) solids. If a sewage treatment facility processes 12 million gallons a day what mass of solids do they process?

Sewage is 99.9% water and 0.02-0.04% (w/v) solids. If a sewage treatment facility processes 12 million gallons a day what mass of solids do they process? 
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Microbiology

11/28/20

Does Neisseria gonorrhoeae test positive or negative in the Simmons Citrate Test?
Does Neisseria gonorrhoeae test positive or negative in the Simmons Citrate Test?
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Microbiology

11/28/20

Does Neisseria gonorrhoeae test positive or negative in the Urea hydrolysis test?
Does Neisseria gonorrhoeae test positive or negative in the Urea hydrolysis test?
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Microbiology Science Biology

11/26/20

What is the concentration and yield of the extract?
Undiluted extract: 1.71/5 dilution of extract: 0.82½ dilution of the 1/5 dilution: 0.49
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11/12/20

What is innervation mean ?
My teacher wanted me to search about Skeletal muscle innervation so what am I suppose to search I was not able to find anything when I typed that to google. I need help please.
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11/09/20

What does skeletal muscle innervation meaning ?
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11/07/20

What is the effect of artificial electric stimulation on muscle atrophy?
Does it completely reverse atrophy? How (intracellular mechanisms)?
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Microbiology Biology

11/06/20

Discuss the ligands and molecular signaling pathways relevant to Toll-like Receptors (TLRs). List defects in TLR signaling pathways that are known to result in human disease.

Discuss the ligands and molecular signaling pathways relevant to Toll-like Receptors (TLRs). List defects in TLR signaling pathways that are known to result in human disease. (25 marks)
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Microbiology Biology Human Biology

11/06/20

Outline the function, cellular distribution and clinical significance associated with defects in gene expression of the following proteins: a) IL-2RG (common gamma chain). b) STAT-3. c) FOXP3.
Outline the function, cellular distribution and clinical significance associated with defects in gene expression of the following proteins: a) IL-2RG (common gamma chain). b) STAT-3. c) FOXP3. (15... more
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Microbiology Science Biology Chemistry

11/05/20

Which of the following about isoenzymes are true ?
A.) They have the same primary sequenceB.) They localise in different tissuesC.) Isoenzymes have different isoelectric pointsD.) They remain unaltered in health and diseasesI believe the answer is... more
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Microbiology Science Biology Chemistry

11/05/20

Can you please quickly help me?
Question: What is biomarker?A.) A biological therapy for a diseaseB.) A measurable characteristic by which presence or severity of a disease can be indicatedC.) A symptom of a diseaseD.) A... more
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Microbiology

11/02/20

Serial dilution and Spread plating, Biology
The undiluted bacterial concentration in a Laurel Creek water sample is 5.0 x 105CFU/ml. Which final dilution factor test tube would yield the countable agar plate?Assuming that 0.1mL of water is... more
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Microbiology

11/01/20

What class of antibody is involved in a Type I hypersensitivity response?
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Microbiology

10/29/20

How does SIM media show the motility of microbes?

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Microbiology

10/29/20

How is the production of cysteine desulfurase detected in SIM media?
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Microbiology

10/29/20

What is the purpose of Sulfide-Indole-Motility medium in diagnosing infections?

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Microbiology

10/29/20

Why can’t different Genera of Enterobacteriaceae be distinguished by a Gram stain?
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Microbiology

10/29/20

In the MR-VP test, what end product(s) are detected in the following? a Mixed acid fermentation b Neutral fermentation

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