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When a substance is added to solid medium which inhibits growth of unwanted bacteria but permits the growth of wanted bacteria the medium is known as?
selective medium
What is a Property of a membrane that allows some substances to move into and out of the cell?
semi- or selective permeability
Why isolation of a pure culture on selective medium may not be successful?
Isolation of a pure culture on a selective medium may not be successful due to factors such as contamination from other organisms, genetic variability within the target organism, or difficulties in selecting appropriate conditions for growth. Additionally, some organisms may not grow well under the specified selective conditions, leading to a lack of colony formation.
Mueller-hinton agar is selective medium?
Mueller-Hinton agar is not a selective medium; rather, it is a non-selective, nutrient-rich agar used primarily for antibiotic susceptibility testing. It supports the growth of a wide variety of bacteria, particularly those relevant to clinical infections, such as Staphylococcus and Streptococcus species. Its composition allows for the reliable assessment of bacterial resistance and susceptibility to various antibiotics.
Why blood agar medium producing less contamination?
as it is a selective media for streptococci it inhibits the growth of other bacteria.
When a substance is added to solid medium which inhibits growth of unwanted bacteria but permits the growth of wanted bacteria the medium is known as?
selective medium
What has the author Abram P Snyder written?
Abram P. Snyder has written: '1968 value of taxable property in Michigan' -- subject(s): Real property tax, Statistics
Is Mannitol salt agar a selective or a differential medium?
Both
How does a sieve colander demonstrate the property of selective permeability?
Duxhdb
Why penicillin exhibits the property of selective toxicity?
Penicillin exhibits the property of an effective and safe antimicrobial therapy that involves selective toxicity. This is because the chemical structure of Penicillin gives antibacterial properties.
What could be a selective medium in eliminating gram positive and gram negative from a mixture?
streptococ
What property is determined by the density of the medium?
Density is the property in this case.
Is phenylethyl alcohol agar differentia or selective?
Phenylethyl alcohol agar is a selective medium used for the isolation of gram-positive bacteria as it inhibits the growth of gram-negative bacteria. It is not typically used for differentiation purposes.
What is blood agar tellurite medium?
It is a SELECTIVE DIFFERENTIAL media used for the groth of Corynebacterium diphtheria.
Is peptone part of a selective medium?
Peptone is not typically considered a selective agent in a selective medium; rather, it serves as a nutrient source that supports the growth of a wide variety of microorganisms. Selective media usually contain specific inhibitors or conditions that favor the growth of certain organisms while suppressing others. However, peptone can be included in selective media to provide essential nutrients for the target organisms. Thus, its primary role is to enhance growth rather than to select for specific microbial populations.
What is a Property of a membrane that allows some substances to move into and out of the cell?
semi- or selective permeability
Which phrase best describes the property of selective permeability large molecules pass all ions pass all molecules pass some molecules pass?
The phrase "some molecules pass" best describes the property of selective permeability.
