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A buffered solution is prepared by mixing 100.0 mL of 0.250 M NH3(aq) and 150.0mL of 0.200 M NH4NO3(aq).
a) Calculate the pH of this buffer. Assume that the volumes of the two mixed dilute aqueous solutions are additive.
b) What will the pH become after 0.63 g HNO3 is added to the buffered solution?
Discuss how could you use lichen diversity and abundance to measure air quality? How would you expect lichen diversity to vary with respect to distance from the major metropolitan areas?
Compare contrast the composition of blood plasma and glomerular filtrate. Explain the mechanism of tubular secretion, and explain it's importance in the urine formation process.
Think about a strain of E. coli that has a mutation in the gene encoding the IIA protein of the phosphotransferase system. The transport of glucose is not affected through this mutation.
Platinum color in foxes is produced by a heterozygous genotype involving interactions between a gene for silver and a co-dominant lethal gene. The silver gene in the homozygous state produces silver color; the lethal homozygote usually dies during..
In a lab, you are supposed to observe and record the 4 different kinds of corn kernel phenotypes. The phenotypes are purple smooth, purple wrinkle, yellow smooth, and yellow wrinkled.
Discuss two (2) of the promising potential cures for cancer. Explain how each of these treatments work. What methods are being used to treat side effects of chemotherapy?
Define spontaneous generation and who found this idea with animals? who discover his idea for microbes? describe his experiments?
Organisms can be beneficial or harmful to humans. For this assignment, you will research the Internet and choose an organism from the Animal Kingdom that is beneficial or harmful to humans
Suppose that lions running on grass neither benefit nor are harmed by this interaction, but their activity helps the grass grow.
Electronmicroscopes studies have revealed the probably structure of plasma membranes and the membranes of various cell components.
the development of traits that organisms need in order to become more complex
What is the functional difference between ventricular hypertrophy due to exercise and hypertrophy due to congestive heart failure?
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