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1. Explain the use of indicator organisms in water management.
2. What are the three stages for identification of coli-forms in a water sample? Can you confirm the presence of coli-forms at each stage? Why or why not?
What enzyme pathway of arachidonic acid is interrupted/broken by aspirin and ibuprofen?
When a tree is tapped for maple syrup, what region is tappedand why?
As you know Griffiths, and Avery, MacLeod and McCarty 1st experimented with the concepts of lateral gene transfer in bacteria as it relates to transformation.
contrast population size with population density. what is the relationship between the terms species and population?
In an attempt to map a newly discovered mutation that may contribute to autism a study was made of a small, isolated population on west coast of Black Sea.
All possible outcomes for a random experiment. For example. If youflip a coin once the sample space is the set {H,T}. Suppose youhave two coins the sample space when both coins are flipped is {HH,HT, TH, TT}. An event is a subset of the sample spa..
Clostridiumperfringens bacillus. How many C. perfringensbacteria would there be in the wound after just 9 hours ofmultiplying
Water has high specific heat. Based on the structure ofwater in solution, explain:
You take two pH samples of a pond on a golf course. The first sample showed the water had a pH of 6.5. You return a month later, after the golf course applied fertilizer, and the pH of the pond had dropped to 3.5! Explain why.
Why are proteins denatured at pH extremes? Describe the anatomy of a sponge. Be sure to include the names of the major types of cells and their functions. How does horizontal gene transfer apply to rotifers? What advantage does this have?
Nicotinic acetylcholine receptors are inhibited by the presence of mercury in a concentration-dependent, subunit-dependent, and time-dependent manner. Explain what the presence of mercury would be to a neuronal action potential.(6pts)
One way to regulate an enzyme is for a modulator or regulator bind to a site on the enzyme, causing a conformational change so that the substrate can no longer fit into the active site.
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