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What color is S marcescens in an agar slant tube?
Serratia marcescens makes a bright red streak on an agar slant
If you strongly suspect a nutrient agar slant culture is contaminated what method would you use to ascertain whether you are right or not?
You have to make subculture from this slant and after incubation you can observe how many types of microorganisms are present in the nutrient agar slant. If you have one colony shape so you have a pure nutrient agar slant but if you have more than one type of colonies so the nutrient agar slant is contaminated.
What is the advantage of an agar slant versus an agar deep?
agar is botained from a red alga called gelidium
Why cultivating microbes on slant agar?
in my opinion, cultivating microbes on slant agar is carried out when we do not know anything about the microbe. slant agar is a nutrient rich medium that allows most microorganism to grow. therefore, we could obtain a pure sample of the microorganism.
What is slant broth and deep?
a slant broth is a type of inoculating agar to gather bacterial data from.
What is the advantage of using a nutrient agar plate over a nutrient agar slant?
Slants are better suited than agar plates, because they can be capped, preventing the agar and the culture from drying out. The cap also prevents airborne contaminants from entering the slant. Also, slants take up less storage space than an agar plate.
What is the use of agar?
agar slant - save space (advantage) - suitable for long-term storage agar plate - short-term storage - used for assays Broth culture - ... agar slant - save space (advantage) - suitable for long-term storage agar plate - short-term storage - used for assays Broth culture - ...
What is the reaction of staphylococcus in TSI agar?
acid butt/alkaline slant H2s negative
What are the uses and advantages of slant agar?
Slant agar is great to use because it allows researchers to consolidate a wide variety of bacteria they wish to store in a very small space such as a test tube rack. It has the similar benefits of TSA plates, but can be kept much easier.
Use of agar slant?
An agar slant is when a test tube is filled with liquid agar and allowed to cool and harden at an angle (slant). Agar is mixed with other nutrients to provide a medium for which bacteria can grow on.
Is it possible to melt a tryptic soy agar slant to make a tryptic soy broth?
No. Agar is a solid at room temperature and would just become solid again. A TSB does not contain agar and therefore can be liquid at room temperature.
What are some advantages of an agar plate over a slant tube?
The following are some advantages of an agar plate verses a slant tube: 1. Surface area- An agar plate has a much larger surface area: a. Easier to isolate individual colonies using the streak-plate method. i. Evaluate the colony shape, margin and elevation. b. Can grow a larger number of cells. 2. Growth- An agar plate allows you to quantify the number of colonies on an agar plate, provided it is within the 30-300 range. Whereas the slant tube cannot quantify growth but only describes growth as none, slight, moderate, or large.
