What are Biofilms?

Biofilms are structured communities of bacteria that play a role in antibiotic resistant infections on catheters, which are tubes inserted through a narrow opening into a body cavity or for removing fluids, and other medical prosthetic devices. Bacteria can exist in the body as a single cell or as biofilms. Despite attempts at reducing infections … Read more

The distinctive features of eukaryotic cells

There are different cells, but there are 2 cells that you have to focus on: the plant’s cell and animal’s cell. We can compare and contrast the 2 cells. So first you got the plant cells. They are eukaryotic cells of eukaryotic organism. These distinctive features include the following: A cell wall composed of cellulose … Read more

Anton van Leeuwenhoek – The Father of Microbiology

Anton van Leeuwenhoek was a Dutch scientist who was born on October 24, 1632, in, what was at the time, the Dutch Republic. Anton van Leeuwenhoek was proclaimed “The Father of Microbiology” by the scientific world for his numerous contributions to science throughout his lifetime. He made discoveries about bacteria, spermatozoa, single-celled life forms, the … Read more

What Is Hydroponic Growing?

What is Hydroponic growing? The hydroponics is a division of hydro culture, the developing of plants in ground less medium, or a water based condition. Hydroponic developing uses mineral supplement answers for feed the plants in water, without soil. We would now be able to develop practically any plant at for all intents and compelling … Read more

Single-nucleotide polymorphism

First and foremost Single nucleotide polymorphisms, frequently called SNPs or pronounced “ snips”, is a DNA sequence variation occurring when a single nucleotide as A, T, C or G in the genome differs between members of a biological species or paired chromosomes in a human. The less common base must have a frequency of SNPs … Read more

Starch Hydrolysis Test

Introduction Starchy substances constitute the major part of the human diet for most of the people in the world, as well as many other animals. They are synthesized naturally in a variety of plants. Some plant examples with high starch content are corn, potato, rice, sorghum, wheat, and cassava. It is no surprise that all … Read more

Biochemical Tests: Gram Positive and gram Negative Bacteria

Tests used to identify Gram Positive Bacteria Mannitol Salt Agar (MSA) This type of medium is both selective and differential. The MSA will select for organisms such as Staphylococcus species which can live in areas of high salt concentration (plate on the left in the picture below). This is in contrast to Streptococcus species, whose growth is selected against … Read more

Bacterial Staining Techniques I

Complete Lab 1: Collect your plates from the trays on the side bench. Observe the TSA plates for colonies of various sizes, shapes and colors. Each bacterial or fungal species gives a characteristic colony color and morphology. Draw the colonies observed on both TSA plates in the spaces provided in the Results section of Lab … Read more

Ubiquity of microorganisms

UBIQUITY OF MICROORGANISMS Microorganisms are ubiquitous; that is, they are present nearly everywhere. In this lab you will try to isolate bacteria and other microorganisms from various sources using different types of media. TERMS AND DEFINITIONS Culture media (medium, singular): solution of nutrients required for the growth of bacteria. Agar: a carbohydrate derived from seaweed … Read more

Whodunit? The False Accusations Of An Every Day Staphylococcus epidermidis

Daily Amino Reporter It was just a quiet day in local suburbia when panic struck. Staphylococcus epidermidis, the local fauna, was being accused of accessory to infection. The local authorities are performing many tests to cause questionable doubt, but S. epidennidis’s lawyers are fighting it all the way. “We want to know the right strain … Read more

Fight Night:”Kick’m While They’re Down”

  Brandie Yeik MOLB 2210 – February 10, 2004 The place was packed, the crowd was on their feet. Friday night, at the Immunocompetent arena in Las Virulence, hit record turbidity of 109, which was no surprise to all the sports fans. Described as the fight of the century, Cystic Fibrosis and Pseudomonas aeruginosa battled … Read more

New Bacteria Discovered in Local Hospital

Brian Hardy Pallet Town-LT-Recently, a large amount of nosocomial infections have been reported at the Pallet Town Hospital. When asked about what may be the cause of these nosocomial infections, Nurse Joy, the Nurse Manager of the center, assured us that they are handling the situation well. “We realized that the patients getting sick were … Read more

Dichotomous Key Microbiology

General Info: The Virtual Edge (virtual lab reviews) Additional References Excel Tutorial: Creating a Table Unknown Press Release These are creative but not necessarily perfect examples. These may not have earned a perfect score but exemplify the nature of the assignment. Example 1 Example 2 Example 3 Example 5 Material to accompany labs 1-14 Lab #1 video … Read more