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Question: Tina put a culture of Escherichia cells in a medium containing glucose and nitrate (NO3-) on a shaker and turned on the shaker for aeration. The next day she had a nice dense culture of cells. When she repeated this procedure, she forgot to put the culture on the shaker. The next day, she found that her cells had grown much more slowly than before. Explain why her cells grew more slowly the second time. When Tina grew her cells again, she forgot add the nitrate and forgot to put the culture on the shaker. This time she found that her cells grew particularly slowly. Explain why her cells grew so slowly on this final try.
Question: Describe the differences between phototrophy involving bacteriorhodopsin and phototrophy involving bacteriochlorophyll
The most significant probable cause of this temporary apnea is decreased activity of the what. what is the probability that the next child would be a girl.
Recognize the strengths and weakness of Callaway, TaylorMade, Titleist, Ping, and Nike. Which company has a competitive benefit in the marketplace? Why describe reason.
Determine what aspects of cellular morphology might present challenges in getting a single colony representing a pure culture of a particular isolate when working with natural samples
Estimate the most likely type of change that occurred in the DNA (single-base substitution, insertion, deletion), the phenotypic effect of the mutation
Semen is a mixture of sperm and fluids from the accessory organs of the male reproductive tract. Describe the role of these fluids and what organ they are secreted from.
You are interested in a population of pangolins (scaly anteaters) and find that 49% of the individuals have the homozygous recessive genotype (pp) for a gene of interest.
What are advantages and disadvantages or observing living-specimens slides and heat-fixed-specimen slides of microorganisms. Which statements correctly describe the population of wolves.
Carnivorous plants are phytosynthetic yet, unlike other plants capture insects. Why did they need to evolue this unusual ability? What is plant responses to the environmental stress of drought Flooding?
The result of mitosis is that daughter cells end up with similar number of chromosomes just as the parent cell.Explain how the results of mitosis differ between two processes of cell division?
How many grams of methane should be combusted to heat 1.30 of water from 24.0 to 92.0, assume as product and 100 percent efficiency in heat transfer.
What is the definition of a salvage pathway and a de novo pathway for biosynthesis? Show the salvage enzymes for both the purines and pyrimidines.
A karyotypically normal couple has a child with trisomy twenty-one Down syndrome. DNA analysis if 21q polymorphic markers reveals the following results.
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