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Can colony morphology help to determine the identity of bacteria?
to know the amount of bacteria present
Are the bacteria from one colony geneticaly identical?
Not always. Sometimes, during protein synthesis, the DNA of bacteria makes a mistake and copies the wrong protein causing a defect. This can cause the bacteria in the same colony to be slightly different. Also, bacteria can evolve very quickly, so this can also cause the bacteria in one colony to be slightly different.
What are groups of bacteria living together in a close knit group known as?
Groups of bacteria living together in a close-knit group are known as biofilms. Biofilms are organized communities of bacteria that adhere to a surface and can be found in various environments such as soil, rocks, and human tissues.
How do scientists study how bacteria are affected by antibiotics?
Laboratory scientists culture a bacterium (one single bacteria) so the bacteria grows to a colony. Scientists create many specimens of colonies for each bacteria. Then they can expose each colony to a different antibiotic medication or new antibiotic to see how the bacteria react to it. They look for sensitivity--meaning, any reaction in the growth of the bacterial colony. The growth may have no change (no sensitivity), slow down, or stop. But even better, ingredients in antibiotics need to disrupt the way bacteria use nutrients, so scientists look to see if the bacteria die when exposed to that specific antibiotic.Different groups or families of antibiotics work best on certain bacteria. At the same time, certain bacteria favor conditions only in certain areas of the body. So the bacteria for a skin infection is different from the bacteria that infects the urinary tract, for example.
What laboratory test grows a colony of bacteria removed from an infected site?
Culture and sensitivity test
If bacteria in a colony are unable to perform conjugation how would this hurt the colony's chance for survival?
The colony would have less genetic variation. The Bacteria in the colony would be too genetically similar
What is a bacteria colony?
a bacteria colony is the same as a colony that is found in bacteria and fungus begins to form once you've seen a colony.
What is the difference between a colony a CFU and a bacterial cell?
A colony is a visible cluster of identical bacteria on a solid growth medium, CFU (colony forming unit) is the unit used to estimate the number of viable bacteria in a sample, and a bacterial cell is the individual microorganism that makes up a colony.
If bacteria in a colony are unable to perform transduction how would that hurt the bacterial colony's chance for survival?
If bacteria in a colony are unable to perform transduction, they would lose the ability to share genetic material with other bacteria through bacteriophages. This could reduce genetic diversity in the colony, making them more susceptible to environmental changes and limiting their ability to adapt and survive in challenging conditions. Overall, the colony's chance for survival may be compromised due to a lack of genetic variability.
What causes the most genetic diversity in a bacterial colony?
Mutations, genetic recombination (such as through horizontal gene transfer), and selective pressures from the environment all contribute to genetic diversity in a bacterial colony. These mechanisms allow for variation in genetic material, leading to different traits and abilities that can help bacteria adapt and survive in changing conditions.
What is a mass of bacteria that forms?
A mass of bacteria is a colony.
What are the three criteria for a civilization?
Abundance of food, Division of labor and making a colony
The bacteria in colony are unable to perform transduction. how would this hurt the bacterial colony's chance for survival?
The bacteria would generally be more similar
What is a colony in microbiology?
A colony is a group of identical bacteria (clones) which grow together into a visible cluster. Generally, a colony is grown on an nutrient agar plate (on a petri dish with bacteria food in it) such that it is large enough to see the bacteria. An additional type of colony is a "microcolony" which is a term used for a group of the same bacteria which grown in the dirt.
What is bacterial colony?
A group or cluster of bacteria derived from one common bacteria.
He bacteria in a colony are unable to perform transduction. How would this hurt the bacterial colony's chance for survival?
the bacteria would be more genetically similar.
Can colony morphology help to determine the identity of bacteria?
to know the amount of bacteria present
