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1. What is point source and non-point source pollution? Which is the worse and why?
2. Phosphates and nitrates are used as fertilizers because they provide plants with the nourishment they need for growth. In lakes and ponds, these same chemicals are classified as pollutants. Why?
3. Why is ground-water pollution less-noticed but more serious than surface-water pollution?
4. What is thermal pollution and what would be a major local source of this type of pollution?
5. How do riparian buffer zones reduce/control flooding?
6. How do riparian buffer zones improve water quality?
7. Why is the shade created by riparian buffer zones important?
8. List the 3 most dangerous water transmitted diseases. Describe the disease and say where it is present.
The molecular weight of vincristine, a pharmaceutical drug, is 923.04. It is supplied in 1 mg per vial. You want to treat your culture cells with a final concentration of 5 nano molar vincristine and will need 20 ml of cells for your experiment.
A analyzer measured BMI in 12 patients who are free of diabetes and participating in a study of risk factors for obesity and found a mean BMI of 31.7 with a standard deviation of 5.9.
Evidence shows that some grasses benefit from being grazed. What term would best describe this plant-herbivore interaction?
General characteristics of the four Kingdoms discussed this semester (protists, plants, fungi, animals)
Explain the process of prokaryotic replication. Pay particular attention to the early stages. In your work, be sure to include the origin of replication, DnaA, components.
What if you were using a plasmid that was 10 kb in size. You still want to use .05 pmoles of your target DNA. How many micrograms of DNA will you need for the transposition reaction?
In organic molecules, carbons can be thought of as "reduced" or "oxidized". Which of these terms best describes the carbon atoms in glucose? In CO2?
A stock homozygous for three recessive autosomal genes, a, b,and c, not necessarily linked on the same chromosome, ismated to a stock homozygous for their dominant wild-typealleles.
q1. describe oxidative and non-oxidative branches of the pentose phosphate pathway and distinguish between these
Describe how phagocytosis differs from endocytosis and what generally happens to the internalized material.
How do you find the concentration of a solution when given the info that the concentration of the stock solution is 1:57 and has a concentration of 5mg/ml.
Which type of bacterium would be most likely killed in the presence of oxygen?
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