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cells which take up crystal violet stain and retain them because of smal pore size
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What is Phylum Gram-Positive?
Gram-positive is a classification of bacteria based on their cell wall structure. Bacteria in the phylum Firmicutes are typically Gram-positive, meaning they retain the crystal violet stain in the Gram staining technique. Gram-positive bacteria have a thick layer of peptidoglycan in their cell walls, which gives them their characteristic staining property and contributes to their resilience.
Is anthrax gram positive or negative?
Anthrax is a gram-positive bacterium, meaning it retains the crystal violet stain in the Gram staining procedure.
How can a positive result occur during capsule staining?
Capsules may be revealed by methods such as Maneval's method. This method utilizes negative staining, where the background is stained revealing an unstained structure: the bacterial capsule.
Are acid fast bacteria gram positive or negative?
Acid-fast bacteria are considered gram-positive. This term refers to bacteria that retain a specific stain under the Gram staining technique, indicating a thick peptidoglycan layer in their cell wall. Acid-fast bacteria, like Mycobacterium tuberculosis, have a waxy layer that resists conventional staining methods.
What is gram variability?
Gram variability refers to a characteristic of certain bacteria that can exhibit variability in their response to Gram staining, appearing as a mix of both Gram-positive and Gram-negative characteristics. This variability can make the identification of these bacteria challenging because their staining characteristics may not be consistent.
Is the acid fast staining result positive or negative for the sample?
The acid-fast staining result for the sample is positive.
What is staining for candida albicans?
gram positive
Is the classification of cyanobacteria based on Gram staining positive or negative?
The classification of cyanobacteria is based on Gram staining, which is typically negative.
Why do gram positive bacteria stain purple in the Gram staining technique?
Gram positive bacteria stain purple in the Gram staining technique because they have a thick layer of peptidoglycan in their cell walls, which retains the crystal violet dye used in the staining process.
What is Phylum Gram-Positive?
Gram-positive is a classification of bacteria based on their cell wall structure. Bacteria in the phylum Firmicutes are typically Gram-positive, meaning they retain the crystal violet stain in the Gram staining technique. Gram-positive bacteria have a thick layer of peptidoglycan in their cell walls, which gives them their characteristic staining property and contributes to their resilience.
What are the colony characteristics and Gram staining of bacillus circulans?
Gram Positive Rods
Is anthrax gram positive or negative?
Anthrax is a gram-positive bacterium, meaning it retains the crystal violet stain in the Gram staining procedure.
What is the different staining technique in virology?
1- What_is_the_different_staining_technique_in_virology2- What are the diffrent stain in micro for virus ?
What is the difference between positive staining and negative staining based on the structure external to the cell wall?
positive stain stick with specimen and gives it's color where as negative dye doesn't stick with the specimen but settle around it's outer boundary and forming a silhouette. that negative stain produce a dark back ground around the cell.
How can a positive result occur during capsule staining?
Capsules may be revealed by methods such as Maneval's method. This method utilizes negative staining, where the background is stained revealing an unstained structure: the bacterial capsule.
Why you do staining?
Staining is done to help determine what the sample is. It makes it visible under a microscope and it gives some information about the structure of the cell. A positive Gram stain means that the cell has a thick peptidoglycan layer.
Are acid fast bacteria gram positive or negative?
Acid-fast bacteria are considered gram-positive. This term refers to bacteria that retain a specific stain under the Gram staining technique, indicating a thick peptidoglycan layer in their cell wall. Acid-fast bacteria, like Mycobacterium tuberculosis, have a waxy layer that resists conventional staining methods.
