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Microbiology


Question: How reliable is DNA fingerprinting?

Answer: DNA profiling is an example of how advances in medical research have...


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  • Subject: Biological Sciences
  • Course: Microbiology
  • Level: Degree
  • Year: 1st
  • Mark: 63%
  • Words: 1566
  • Date submitted: March 13, 2009
  • Date written: November, 2003
  • References: Yes
  • Document type: Essay*
  • Essay ID: 984

Question: Compare and contrast vertebrate and invertebrate vision.

Answer: Although vertebrates and invertebrates originally evolved from a common ancestral root, both...


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  • Subject: Biological Sciences
  • Course: Microbiology
  • Level: Degree
  • Year: 1st
  • Mark: 61%
  • Words: 2288
  • Date submitted: March 17, 2009
  • Date written: December, 2003
  • References: Yes
  • Document type: Essay*
  • Essay ID: 1023

Question: Experiment 1
Title: Subculturing and Isolation of Pure Culture

Objective:
1. To study the technique of aseptic in order to transfer microorganisms to a subculture
2. To study the technique of isolation of pure culture and perform a streak plate method

Answer: Method: (a) Subculturing 1. The tubes to be inoculated were labelled with...


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  • Subject: Biological Sciences
  • Course: Microbiology
  • Level: Degree
  • Year: 1st
  • Mark: Not available
  • Words: 649
  • Date submitted: August 02, 2013
  • Date written: May, 2013
  • References: No
  • Document type: Essay*
  • Essay ID: 4965

Question: Experiment 1
Title: Preparation of Bacterial Smear and Staining

Objective:
1. To learn the theory of staining bacterial cells.
2. To prepare a bacterial sample for staining.
3. To differentiate the microbes after staining.
4. To recognize the bacterial shapes and arrangements.
5. To learn the simple stain technique.
6. To learn the gram stain technique.
7. To learn how to identify the results of the organisms stained.
8. To recognize gram positive from gram negative bacteria.
9. To differences in cell wall and plasma membrane structures between the gram positive and gram negative bacteria.
10. To understand the role of the gram staining as an important differential stain.
11. To learn the usefulness of a simple stain vs. a differential stain.

Answer: Method: (a) Preparation of bacterial smear 1. A small amount of the...


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  • Subject: Biological Sciences
  • Course: Microbiology
  • Level: Degree
  • Year: 1st
  • Mark: Not available
  • Words: 984
  • Date submitted: August 02, 2013
  • Date written: June, 2013
  • References: No
  • Document type: Essay*
  • Essay ID: 4959

Question: Experiment 3
Title: Preparation of Bacterial Staining 2

Objectives:
1. To perform a negative staining procedure.
2. To perform the spore stain procedures for differentiate between bacterial shape and vegetative cell forms.
3. To perform the capsule stain procedures to distinguish capsular material from the bacterial cell.
4. To recognize the bacterial shapes and arrangements.
5. To learn how to identify the results of the organisms stained.

Materials:
1. Petri plates containing Staphylococcus aureus, bacillus subtilis and klebsiella pneumonia
2. Inoculating loop
3. Glass slide
4. Boiling tube
5. Beaker
6. Distilled water
7. India ink
8. Malachite green
9. Safranin
10. Carbolfuchsin
11. Crystal violet
12. Acid alcohol
13. Methylene blue

Answer: Methodology: Negative staining 1. A glass slide was prepared and one small...


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  • Subject: Biological Sciences
  • Course: Microbiology
  • Level: Degree
  • Year: 1st
  • Mark: Not available
  • Words: 1379
  • Date submitted: August 02, 2013
  • Date written: June, 2013
  • References: No
  • Document type: Essay*
  • Essay ID: 4958

Question: THE EPIDEMIOLOGY OF MALARIA IN NIGERIA.

Answer: Malaria is the one of the most important parasitic disease ever known...


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  • Subject: Biological Sciences
  • Course: Microbiology
  • Level: Degree
  • Year: 2nd/3rd
  • Mark: Not available
  • Words: 1837
  • Date submitted: October 01, 2008
  • Date written: Not available
  • References: Yes
  • Document type: Essay*
  • Essay ID: 2451

Question: Describe the structure and function of the Cytoskeleton.

Answer: The cytoplasm is, at basic levels, seen to be a disorganised mix...


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  • Subject: Biological Sciences
  • Course: Microbiology
  • Level: Degree
  • Year: 2nd/3rd
  • Mark: Not available
  • Words: 1986
  • Date submitted: March 17, 2009
  • Date written: Not available
  • References: No
  • Document type: Essay*
  • Essay ID: 1034

Question: Describe the chemotaxis systems of bacteria.

Answer: Only cells which are motile, that is, those cells which are capable...


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  • Subject: Biological Sciences
  • Course: Microbiology
  • Level: Degree
  • Year: 1st
  • Mark: Not available
  • Words: 2390
  • Date submitted: March 17, 2009
  • Date written: Not available
  • References: No
  • Document type: Essay*
  • Essay ID: 1029

Question: Compare and contrast meiosis and mitosis.

Answer: Meiosis and mitosis are the two separate forms of nuclear division in...


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  • Subject: Biological Sciences
  • Course: Microbiology
  • Level: Degree
  • Year: 1st
  • Mark: Not available
  • Words: 832
  • Date submitted: March 17, 2009
  • Date written: Not available
  • References: Yes
  • Document type: Essay*
  • Essay ID: 1021

Question: Describe how bacteria can sense and respond to their cell density in the environment.

Answer: Bacteria secrete small molecule pheromones which accumulate outside the cell. By reacting...


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  • Subject: Biological Sciences
  • Course: Microbiology
  • Level: Degree
  • Year: 1st
  • Mark: Not available
  • Words: 1427
  • Date submitted: March 16, 2009
  • Date written: Not available
  • References: No
  • Document type: Essay*
  • Essay ID: 1016

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