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The absorbance of a cationic iron(II) sample solution was measured in a spectrophotometer, but the instrument returned an error because the absorbance was too high. The sample was then diluted by using a pipette to take 100.0 μL of the sample and injecting it into a cuvette already containing 2.00 mL of water (total volume is 2.00 mL + 100.0μL). The absorbance value of the diluted solution corresponded to a concentration of 6.85×10-6 M. What was the concentration of the original solution?
Assume that all proteins on their way to other compartments remain in the ER for 30 minutes on average before exiting, and that the ratio of proteins to lipids in the membranes of all compartments is the same.
(Ligated Vibrio fischeri chromosomal DNA and pGEM plasmid vector with Sal I, and transformed E.coli cells with recombinant plasmids. And then, checked if the cloning was successful. Blue colonies indicate that it contains only the plasmid, and white ..
-Neither Wallace nor Darwin discussed genes when describing natural selection. Why? -Provide three types of evidence (from different sub disciplines in biology) that scientists commonly use to provide support for the theory of evolution.
What blood type(s) can a child born to a mother with B- blood type and a father with A+ blood type have? Explain your answer fully. Be sure to focus on the concepts of dominant and recessive alleles, multiple alleles, and codominance in your expla..
Do you think biochemical testing must be recommended to detect the deleterious gene in Mrs. Lehman. Which one increased their alveolar ventilation, or do they stay the same? Why with appropriate reason.
Which 6 cranial nerves involved in maintaining balance. List each nerve and describe how each contributes to the maintenance of balance.
Discuss all the steps, in order that the electrons from NADH typical pass through before getting oxidized into water. In which part of the citric acid cycle does substrate level phosphorylation occur?
Why does dry heat require higher temperatures for longer time periods to sterilize than does moist heat
Darwin understood how natural selection works in the presence of a population with many variant types. What does that variation consist of? How does the variation arise? How does it spread through the population?
Explain the factor that effect the rate of diffusion in cytoplasm of a cell. You must include all of the following terminology in well constructed sentence molecular weight , temperature,kinetic energy,collision rate, diffusion , along concentrati..
When a fire burns through a forest on a regular basis, it burns in patches, rather than in a devastating way that destroys the entire forest. How does this type of periodic forest fire result in a diversity of habitats in a forest
What is true about double fertilization in angiosperms?
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