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The contaminant colony will vary in shape, so the appearance of colonies can be used to distinguish different bacteria.
What else can I help you with?
How would you determine whether a colony was a contaminant on a streak plate?
One to determine whether a colony on a streak plate is a contaminant is by observing whether it is located along the streak lines. Another is to compare the size, shape, texture and color of the colony against an uncontaminated sample to see if it matches previous ones. Anything growing beyond streak lines and outside of the expected pattern of growth is an obvious contaminant.
What would you need to do to determine whether bacteria growing on a petri plate are anaerobes?
some sense
Can you determine whether a agar deep culture is pure by visually inspecting it without a microscope?
The short answer is no. Microorganisms are just that - microscopic, and the naked eye can not determine between different species, especially in a broth culture. Maybe on a plate, where the colony shapes, sizes, viscosity, and color can be determined, but a broth culture usually needs to be streaked onto a plate to determine if it is pure or not.
What is the colony color of serratia on nutrient agar plate?
Yellowish
How would you check the purity of an isolated colony that was picked off a streak plate?
It can be done by subculturing the culture on agar plate. The best way for this is streaking the culture which will separate the two different organisms. If the organisms are known then specific differential media or selective media can be used which will indicate specific different colonial characteriszation. Allthough this can be done even if the organisms are unknown so that probability are there if they show different characters.
What are the advantages of serial dilution of an agar plate?
Serial dilution of an agar plate allows for the quantification of bacterial colonies by providing a range of colony counts within the plate, making it easier to count without overcrowding. It also helps to isolate individual colonies for further analysis or microbiological testing. Additionally, serial dilution can help determine the original concentration of bacteria in a sample by calculating the dilution factor.
What is a plate in baseball?
there are 3 bases and 1 plate (at home), the bases, are how you determine if a runner is safe or out. home plate is designed and shaped so it is used to determine balls and strikes as well as determine where the foul lines start
How to determine Bacterial load?
By pour plate and then counting the colonies.
Which fundamental assumption is the plate count method based on?
One major disadvantage of the viable plate count is the assumption that each colony arises from one cell.
A manufacturing company is producing plates with a radius of 6 inches. They plan to put a gold edge on each plate . Determine how much gold edging will they need per plate?
determine how wide edge will be and thickness need'd for each plate first
What is mean by cfu?
It is the concentration of bacteria in any solution.CFU stands for Colony Forming Units. Colony forming unit is a form of measuring bacteria grown on a streak plate.
How do you determine the streak of a mineral whose Mohs scale is higher than the streak plate?
You can determine the streak of a mineral whose Mohs scale is higher than the streak plate by either filing or crushing with a hammer before rubbing the sample on a streak plate.
