How do you think the bacterial chlamydia infection grew over time? Explain this in terms of natural selection.(Provide url used for answer)
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How do you think the bacterial chlamydia infection grew over time? Explain this in terms of natural selection.(Provide url used for answer)
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- Discuss something that strikes you as especially important or interesting about Darwinian evolution.You sample cole slaw for bacteria soon after purchase, and after it has been left out on the kitchen counter for 6 hours (room temperature), and after 12 hours (at room temperature). From the data below, CALCULATE the generation time of the bacteria in this sample (at room temperature) – that is, the time it takes for the bacterial population to double in number. Soon after purchase: 4.0 x 103 bacteria per mlAt 6 hours at Room Temperature: 1.9 x 105 bacteria per ml ( = 192 x 103 bacteria per ml)At 12 hours at Room Temperature: 1.2 x 107 bacteria per ml ( = 12,300 x 103 bacteria per ml) What do you calculate the generation time to be? (generation time is the time needed for the population to double in size ) Hint: What is double the initial population? Hint:…What was the significance of the accidental re-inoculation of some chickens that Pasteur had previously exposed to the bacteria that causees cholera? Why do you think these chickens did not die after the first exposure to this bacterium?
- A mutation occurs in a single bacterium that causes it to produce a new enzyme. This enzyme helps the bacterium process nutrients more efficiently, increasing the bacterium's odds of survival. Every 30 minutes, the bacteria in the colony divide, passing their genes on to their offspring. Some bacteria survive, while others do not. Because resources are limited, the colony has a steady population of 114 bacteria. The bacterial colony is shown below at three different time intervals. The picture would be here: Assume that the survival trend shown in the diagram continues. At 3.0 hours, the mutant bacteria will make up _____ percent of the entire colony.In a series of infection experiments, a researcher discovers that the ID50 value for the infectious bacterium Parasiticum mucoides is 100, and that the ID50 for another infectious bacterium, Donoteatum thisbacterium, is 15,000. Given these data, a person exposed to 1,000 bacteria of each type would be more likely to be infected by which bacterium? Group of answer choices There is no way to know given the information provided Both infections are equally likely Parasiticum mucoides Donoteatum thisbacteriumA microbiologist inoculated a flask of nutrient broth with E. coli. The bacterial population entered exponential phase at 11:30 pm and divided every 60 min. At 6:30 am, the culture entered stationary phase with a population of 100,000,000 bacteria mL-¹. At what time was the population 50,000,000 bacteria mL-¹? 5:30 am 12:30 am 4:30 am O Can not be determined from the information given. 3:30 am
- In a series of infection experiments, a researcher discovers that the ID50 value for the infectious bacterium Parasiticum mucoides is 2,000, and that the ID50 for another infectious bacterium, Donoteatum thisbacterium, is 150. Given these data, a person exposed to 1,000 bacteria of each type would be more likely to be infected by which bacterium? There is no way to know given the information provided Both infections are equally likely Donoteatum thisbacterium Parasiticum mucoidesPlease solveExplain your answer in some depth and avoid just saying "It is A" or It is B. Defend your answer and explain why you choice that answer choice. Question: Domestic dogs would least likely meet the definition of a single species using which concept? Group of answer choices A) Lineage B) Biological C) Morphological D) Domestic dogs are not a single species according to any of the species concept definitions.
- You work for NASA's Mars Exploration Team. Your team has successfully landed Mars Perseverance rover and have been collecting tons of data. Your team has now been tasked with colonizing the planet as quickly as possible. You and your team are debating whether to send organisms that reproduce asexually, sexually, or both. The location for colonization on Mars has a stable climate with predictable weather patterns. Since you are the head of the team, you have the final decision. What type of reproduction method would you choose? Provide evidence to support your choice. *Why is understanding the nature of the humanmicrobiome such a complex process?