Once the bacteria reach the stationary phase , it stops to grow due to loss of nutrient availability. Even when some bacteria are transferred to fresh medium, no cell growth is seen, since the bacteria as lost its viability to grow. Yet, some microbiologists suggest that the bacteria are temporarily unable to grow. The microbiologists suggest two hypotheses (Viable but nonculturable and programmed cell death) to for this condition of the bacteria.

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Answer 1

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Definition Definition Phase during which the number of bacteria cell deaths gradually equals the number of viable or actively dividing cells due to decreased reproduction rate. Microbes utilize all nutrients present in the growth medium to multiply during the growth of the bacterial population, which results in the deposition of waste matter, toxins, and inhibitory compounds in the media. This changes media conditions, such as temperature and pH, creating an unfavorable environment for bacterial growth. Here, the growth rate becomes stabilized.

Chapter 29.1, Problem 1CC

Summary Introduction

Once the bacteria reach the stationary phase, it stops to grow due to loss of nutrient availability. Even when some bacteria are transferred to fresh medium, no cell growth is seen, since the bacteria as lost its viability to grow. Yet, some microbiologists suggest that the bacteria are temporarily unable to grow. The microbiologists suggest two hypotheses (Viable but nonculturable and programmed cell death) to for this condition of the bacteria.

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One of the ways for a cell to generate ATP is through the oxidative phosphorylation. In oxidative phosphorylation 3 ATP are produced from every one NADH molecule. In respiration, every glucose molecule produces 10 NADH molecules. If a cell is growing on 5 glucose molecules, how much ATP can be produced using oxidative phosphorylation/aerobic respiration?

If a cell is growing on 5 glucose molecules, how much ATP can be produced using oxidative phosphorylation/aerobic respiration?

Answer 2

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Definition Definition Phase during which the number of bacteria cell deaths gradually equals the number of viable or actively dividing cells due to decreased reproduction rate. Microbes utilize all nutrients present in the growth medium to multiply during the growth of the bacterial population, which results in the deposition of waste matter, toxins, and inhibitory compounds in the media. This changes media conditions, such as temperature and pH, creating an unfavorable environment for bacterial growth. Here, the growth rate becomes stabilized.

Chapter 29.1, Problem 1CC

Summary Introduction

Once the bacteria reach the stationary phase, it stops to grow due to loss of nutrient availability. Even when some bacteria are transferred to fresh medium, no cell growth is seen, since the bacteria as lost its viability to grow. Yet, some microbiologists suggest that the bacteria are temporarily unable to grow. The microbiologists suggest two hypotheses (Viable but nonculturable and programmed cell death) to for this condition of the bacteria.

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Answer 3

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Definition Definition Phase during which the number of bacteria cell deaths gradually equals the number of viable or actively dividing cells due to decreased reproduction rate. Microbes utilize all nutrients present in the growth medium to multiply during the growth of the bacterial population, which results in the deposition of waste matter, toxins, and inhibitory compounds in the media. This changes media conditions, such as temperature and pH, creating an unfavorable environment for bacterial growth. Here, the growth rate becomes stabilized.

Chapter 29.1, Problem 1CC

Summary Introduction

Once the bacteria reach the stationary phase, it stops to grow due to loss of nutrient availability. Even when some bacteria are transferred to fresh medium, no cell growth is seen, since the bacteria as lost its viability to grow. Yet, some microbiologists suggest that the bacteria are temporarily unable to grow. The microbiologists suggest two hypotheses (Viable but nonculturable and programmed cell death) to for this condition of the bacteria.

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Answer 4

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Definition Definition Phase during which the number of bacteria cell deaths gradually equals the number of viable or actively dividing cells due to decreased reproduction rate. Microbes utilize all nutrients present in the growth medium to multiply during the growth of the bacterial population, which results in the deposition of waste matter, toxins, and inhibitory compounds in the media. This changes media conditions, such as temperature and pH, creating an unfavorable environment for bacterial growth. Here, the growth rate becomes stabilized.

Chapter 29.1, Problem 1CC

Summary Introduction