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A solution of 0.10M acetic acid and 0.10 M sodium acetate has a pH of 4.76. Determine the pKa of acetic acid. What is the Ka for acetic acid?
Suppose that you require to dilute a 3mM solution to a concentration of 1 x 10-6 M. Pipettors that dispense volumes ranging from 10~100.
In a cross between two cultivated inbred varieties of tobacco, the variance in leaf number per plant in the F1 generation was 1.46 and in the F2 generation it was 5.97.
Chlamydias and rekettsias were once classified as viruses because of their small size and obligate intracellular growth requirement. What are some of techniques can be used to illustrate that they are really bacteria.
Stress activates neurons in the hypothalamus that eventually lead to the release of glucocorticoids from the adrenal cortex. Describe the neuroscretory pathway that starts with activation of hypothalamic neurons and ends in the adrenal gland.
If a DNA double helix is 100 nucleotide pairs long and contains 25 adenine bases, how many guanine bases does it contain?
Describe how a slight (but smooth) contraction differs from a vigorous contraction of the same muscle using the understandings of multiple motor unit summation.
Explain how DNA is responsible for protein structure, both in prokaryotes and eukaryotes. provide your answer.
What is the main difference between eukaryotic RNA polymerases
Some human pathogenic bacteria are resistant to most antibiotics. How would you prove a bacterium is resistant to antibiotics using laboratory culture techniques?
If the amount of cholesterol is increased in a region of the phospholipid bilayer and then a FRAP experiment is conducted in the same region of the bilayer, what do you think would be the result of the FRAP experiment? Explain in terms of fluoresc..
A researcher wants to develop a test that will distinguish charophytes and land plants from green algae. Which chemicals would be the best subject for such an assay.
You are studying 2 wetlands in eastern Ohio - one that has become highly invaded by purple loosestrife. These wetlands typically contain over one hundred species.
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