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Question: Describe the Earth's nitrogen cycle with emphasis on those reactions performed exclusively by prokaryotic cell metabolisms.
Question: Explain an example of symbiosis between a specific microbe and another organism. Name the products or benefits exchanged between the symbionts and their significance.
A protein is a trimer, which you suspect may exhibit cooperative binding. Every monomer contains a single binding site for the ligand, A. To investigate this you get the this data shown with total=20uM.
Relate the functions of lactose, copper, and tyrosine to how these reagents affected phenotype or gene expression of the bacterial transformants. That is, examine how and why the same bacterial sample may look different on each of the various plates.
North American supply of salmon has not increased. Freeing up these rivers to allow more wild salmon to propagate will increase U.S. exports which are very good for our economy.
Discuss the core enzymes taht are used, and what is replicated or transcribed by each enzyme also discuss and define the substrates and template?
An individual heterozygous for 4-gene pairs AaBbCcDd was testcrossed to aabbccdd , and progeny were classified as follows,
Glucose (C6H12O6) can survive as both an open-chain form and a closed-ring form. Before 1900, glucose was only thought to happen as an open chain. Now we know that over 99 percent of the time, glucose occurs in the closed-ring form. What probable dif..
Predict equilibrium potentials E K and E Na at a temperature of 13 o C. Suppose that the Na permeability of the cell membrane is 1/50 that of the K permeability, predict the resting potential, E m , assuming that Cl is in equilibrium.
When yellow mice are crossed with albinos, they produce F1 mice consisting of ½ albinos, ? yellow and 1/6 agouti. What are the possible genotypes of the parents.
Determine volume of the sodium citrate in order to make up 7.5% solution. A solution needs 250 ml of a 7.5% (w/v) solution of the tri sodium citrate.
Within an essay response, discuss the next concepts: an antioxidant's function, free radicals and their effect on the human body, sources of vitamin C, optimal delivery system for vitamin C, and precautions for use of vitamin C.
Four proteins, each having a single polypeptide, are separated by SDS-PAGE: human cytochrome c , human serum albumin, bovine myoglobin.
What changes took place from one group to another. What advantages did each progressive group have over the last? Will you categorize each as more sucessful than the last.
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