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A bacterium divides every 35 minutes. If a culture containing 105 cells per ml is grown for 175 minutes, what will be the cell concentration per ml after 175 minutes?
[1998]
  • a)
    5 × 105cells
  • b)
    35 × 105cells
  • c)
    32 × 105cells
  • d)
    175 × 105cells
Correct answer is option 'C'. Can you explain this answer?
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A bacterium divides every 35 minutes. If a culture containing 105 cell...
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A bacterium divides every 35 minutes. If a culture containing 105 cell...
The number of divisions that occur in 175 minutes can be found by dividing 175 by 35:

175/35 = 5

So, the initial concentration of 105 cells per ml will double 5 times:

105 x 2^5 = 3,360 cells per ml

Therefore, the cell concentration per ml after 175 minutes will be 3,360. Answer: (d) 3,360.
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Community Answer
A bacterium divides every 35 minutes. If a culture containing 105 cell...
The no: of progeny of bacteria when it undergoes division is  2 to the power n
where n is no: of divisions.
Since the bacteria divides for every 35 minutes, for 175 minutes it will undergo division 5 times.
so the no; of progeny will be 10 to the power 5 into 2 to the power 5 which is 32 into 10 the power 5.
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A bacterium divides every 35 minutes. If a culture containing 105 cells per ml is grown for 175 minutes, what will be the cell concentration per ml after 175 minutes?[1998]a)5 × 105cellsb)35 × 105cellsc)32 × 105cellsd)175 × 105cellsCorrect answer is option 'C'. Can you explain this answer?
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A bacterium divides every 35 minutes. If a culture containing 105 cells per ml is grown for 175 minutes, what will be the cell concentration per ml after 175 minutes?[1998]a)5 × 105cellsb)35 × 105cellsc)32 × 105cellsd)175 × 105cellsCorrect answer is option 'C'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about A bacterium divides every 35 minutes. If a culture containing 105 cells per ml is grown for 175 minutes, what will be the cell concentration per ml after 175 minutes?[1998]a)5 × 105cellsb)35 × 105cellsc)32 × 105cellsd)175 × 105cellsCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A bacterium divides every 35 minutes. If a culture containing 105 cells per ml is grown for 175 minutes, what will be the cell concentration per ml after 175 minutes?[1998]a)5 × 105cellsb)35 × 105cellsc)32 × 105cellsd)175 × 105cellsCorrect answer is option 'C'. Can you explain this answer?.
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