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Q1. 1) Why is agar preferable to gelatin as a solidifying agent in culture media?
2) Did all the organisms living in or on the environments sampled grow on your nutrient agar? In brief explain.
3) How might you find out whether the turbidity in your nutrient broth tube was from a mixture of different microbes or from the growth of only one kind of microbe?"
Q2. What happens when the size of opening of the iris diaphragm is reduced?
What happens while the size of the opening of the iris diaphragm is increased?
Trace a route of air from the nares to an alveolus. Name subdivisions of organs where applicable, and discriminate between conducting and respiratory zone structures. how large a force does she exert on the sled.
Which of these situations would be most positive to the re-establishment of resident zoochlorellae, assume compatible Chlorella are present in P. bursaria's habitat.
The time-of-entry mapping method was used to determine the first five markers transferred from each Hfr during a synchronized conjugation experiment. The markers and their transfer order form each Hfr are shown below.
Explain a species using criteria that are used to determine if two populations are the same species along with a discussion of the procedure of speciation with instance.
Cyanide binds to complex IV of the electron transport system, preventing the reduction of oxygen to water. Explain the ultimate effects of cyanide on electron transport, oxygen consumption, and ATP production. How can these in turn affect a person.
Hydrogen peroxide (h2o2) breaks down into water and oxygen. Explain why this is a chemical reaction. What are reactants and products in the reaction.
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..
Whether ratios are leverage or profitability ratios. If a leverage ratio, is it coverage or capital structure? What is the dissimilarity between the two? If a profitability ratio, examine why it is not completely satisfactory for measuring an organiz..
The client is 52years old and has a history of hypertension. His cholesterol level is 245. He states his job is very stressful. He admits he is overweight. His father died of stroke at age 60. The nurse encourages him to eat fish. Why is the nurse te..
Brown eyes (B) are dominant over blue eyes (b) in humans. If a brown-eyed man marries a blue eyed woman and they have three kids, and two of the three have brown eyes and other has blue, what would be the punnett square indicating so look like.
Atherosclerosis is the progressive disease of blood vessels that is responsible for millions of death each year. Explain disease process, noting the involvement of specific cell/tissue types and molecules.
Suppose the Sun had a temperature of 17,400 K (three times its present temperature) but was the same size it is now. How much more energy would the Sun emit per second.
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