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A bacteria gives birth to two new bacteria in each second and the life span of each bacteria is 5 seconds. The process of the reproduction is continuous until the death of the bacteria. initially there is one newly born bacteria at time t = 0, the find the total number of live bacteria just after 10 seconds :
Essentially in an experiment involving bacteria, we measure Optical density of the media where the bacteria grow at different time point from the same flask. If we have 2 or more types of bacteria and want to investigate whether the growth curve of those bacteria are significantly different, what do you think the best analysis can be applied for this purpose?
A continuous process is set up for treatment of wastewater. Each day, 103 kg cellulose and 105 kg bacteria enter in the feed stream, while 102 kg cellulose and 1.5 x 102 kg bacteria leave in the effluent. The rate of cellulose digestion by the bacteria is 8 x 102 kg d-1. The rate of bacterial growth is 4x 102 kg d-l; the rate of cell death by lysis is 6 x 102 kg d-1. Write balances for cellulose and bacteria in the system.
Pleomorphic viruses possess double-stranded DNA.
Mycoplasma organisms are pleomorphic in nature due to
Consider the following statements: I) Baltimore system is used to classify viruses II) Viruses that infect bacteria are called lichens III) The shape of coccus bacteria is generally spherical IV) Spirogyra is a type of bacteria Which of the following is correct?
Given below are two statements 1 and 2, and two conclusions I and II. Statement 1. All bacteria are microorganisms. Statement 2. All pathogens are microorganisms Conclusion I: Some pathogens are bacteria Conclusion II: All pathogens are not bacteria. Based on the above statements and conclusions, which one of the following options is logically CORRECT?
In the following question, sentences of a paragraph have been jumbled and labelled as A, B, C and D. You are required to rearrange the jumbled sentences of the paragraph and mark your response accordingly by selecting the correct option. A: Sometimes bacteria lend us a helping hand, such as by curdling milk into yogurt or helping with our digestion. B: Bacteria are microscopic, single-celled organisms that thrive in diverse environments. C: These organisms can live in soil, the ocean, and inside the human gut. D: Humans' relationship with bacteria is complex.
In the question below is given a statement followed by two courses of action numbered I and II. You have to assume everything in the statement to be true and on the basis of the information given in the statement, decide which of the suggested course of action logically follow(s) for pursuing. Statement: Bacteria is very helpful in sewage treatment. Courses of Action: I: The people should avoid adding bacteria during sewage treatment. II: Anaerobic bacteria break down sludge and they produce methane gas.
The number of bacteria in a colony was growing exponentially . At 1 pm yesterday the number of bacteria was 1000 and at 3 pm yesterday it was 4000. How many bacteria were there in the colony at 6 pm yesterday ?