GATE Exam > GATE Questions > At OD540nm= 0.5, which one of the following b...
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At OD540nm= 0.5, which one of the following bacterial mono-dispersed cell suspensions will have (i)
maximum and (ii) minimum number of cells?
maximum and (ii) minimum number of cells?
(P) Mycoplasma pneumoniae (Q) Micrococcus luteus
(R) Bacillus subtilis (S) Escherichia coli
(R) Bacillus subtilis (S) Escherichia coli
- a)P & Q
- b)P & R
- c)Q & R
- d)R & S
Correct answer is option 'B'. Can you explain this answer?
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At OD540nm= 0.5, which one of the following bacterial mono-dispersed c...
B)Q
c)R
d)S
The correct answer is d) S, Escherichia coli.
The OD540nm value is a measure of the optical density of a bacterial suspension, which is directly related to the number of cells in the suspension. A higher OD540nm value indicates a higher concentration of cells in the suspension.
Therefore, at OD540nm = 0.5, the bacterial suspension with the maximum number of cells will have the highest OD540nm value, and the bacterial suspension with the minimum number of cells will have the lowest OD540nm value.
Among the given options, Escherichia coli (S) is a bacterium that typically has a higher growth rate and cell density compared to the other options. Therefore, Escherichia coli will have the maximum number of cells at OD540nm = 0.5.
On the other hand, Mycoplasma pneumoniae (P), Micrococcus luteus (Q), and Bacillus subtilis (R) are bacteria that typically have lower growth rates and cell densities compared to Escherichia coli. Therefore, they will have lower OD540nm values at the same cell concentration. Among these options, Micrococcus luteus (Q) is likely to have the lowest number of cells at OD540nm = 0.5.
c)R
d)S
The correct answer is d) S, Escherichia coli.
The OD540nm value is a measure of the optical density of a bacterial suspension, which is directly related to the number of cells in the suspension. A higher OD540nm value indicates a higher concentration of cells in the suspension.
Therefore, at OD540nm = 0.5, the bacterial suspension with the maximum number of cells will have the highest OD540nm value, and the bacterial suspension with the minimum number of cells will have the lowest OD540nm value.
Among the given options, Escherichia coli (S) is a bacterium that typically has a higher growth rate and cell density compared to the other options. Therefore, Escherichia coli will have the maximum number of cells at OD540nm = 0.5.
On the other hand, Mycoplasma pneumoniae (P), Micrococcus luteus (Q), and Bacillus subtilis (R) are bacteria that typically have lower growth rates and cell densities compared to Escherichia coli. Therefore, they will have lower OD540nm values at the same cell concentration. Among these options, Micrococcus luteus (Q) is likely to have the lowest number of cells at OD540nm = 0.5.
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At OD540nm= 0.5, which one of the following bacterial mono-dispersed cell suspensions will have (i)maximum and (ii) minimum number of cells?(P) Mycoplasma pneumoniae (Q) Micrococcus luteus(R) Bacillus subtilis (S) Escherichia colia)P & Qb)P & Rc)Q & Rd)R & SCorrect answer is option 'B'. Can you explain this answer?
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At OD540nm= 0.5, which one of the following bacterial mono-dispersed cell suspensions will have (i)maximum and (ii) minimum number of cells?(P) Mycoplasma pneumoniae (Q) Micrococcus luteus(R) Bacillus subtilis (S) Escherichia colia)P & Qb)P & Rc)Q & Rd)R & SCorrect answer is option 'B'. Can you explain this answer? for GATE 2024 is part of GATE preparation. The Question and answers have been prepared according to the GATE exam syllabus. Information about At OD540nm= 0.5, which one of the following bacterial mono-dispersed cell suspensions will have (i)maximum and (ii) minimum number of cells?(P) Mycoplasma pneumoniae (Q) Micrococcus luteus(R) Bacillus subtilis (S) Escherichia colia)P & Qb)P & Rc)Q & Rd)R & SCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for GATE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for At OD540nm= 0.5, which one of the following bacterial mono-dispersed cell suspensions will have (i)maximum and (ii) minimum number of cells?(P) Mycoplasma pneumoniae (Q) Micrococcus luteus(R) Bacillus subtilis (S) Escherichia colia)P & Qb)P & Rc)Q & Rd)R & SCorrect answer is option 'B'. Can you explain this answer?.
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