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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.
Endospore formation and the function of endospores in bacteria - Write an essay
Given a stock solution of 10mM, how many milliliters would you add to water to have a concentration of 5 uM (micro molar) in a final volume to 2 ml.
How many nuclei are present in the female and male gametophyte (flowering plants)?
A solid spherical conductor of radius 1.50 m has a small spherical cavity of radius 0.50 m with the same center. The net charge of the conductor is zero.
How would you interpret a negative Slide Test and a positive Tube test using the same organism? What is the role of sterile saline plus organism on the Slide Test?
q1. if a person has stopped breathing and is receiving pulmonary resuscitation would it be better to administer pure
If glucose labelled at the C-1 position with 14C passes through glycolysis, on which carbon of pyruvate will the radiolabel be found
Determine hat will happen to the distribution of estuarine freshwater organisms if the building of a dam upstream reduces the flow of freshwater into the estuary?
One gene encodes the second enzyme in a melanin-synthesizing pathway. An individual who is homozygous for a recessive allele of this gene cannot make or deposit melanin in body tissues.
Design an experiment that investigates the rate of respiration in germinating bean seeds by measuring oxygen consumption at different temperatures.
Discuss whether you think that the tradeoffs that parents make in nestling rearing from nest placement to fledging directly correlate to the type of mating system they participate in?
Both chemical and physiological buffering systems exist in the body. What are the two organ systems involved in physiological buffering.
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