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1. Suppose you decide to discover a way to prevent the mosquito-dependent spread of the West Nile virus. You add a chemical to a small pool of water which contains many mosquito larvae as well as many larvae of a small, six-legged water bug. The mosquito and water bug larvae are easily distinguished because the water bug larvae have six legs like the adults. Throughout the 15 days after adding the chemical no adult mosquitos were seen. Many mosquito pupae, however, were visible in the water. During the 15 days of exposure to the chemical you noticed than only a few mosquito and water bug larvae died. To your surprise, at the 15th day almost all the water bug larvae had become bigger and were now adult six-legged water bugs. What might have been the effect on mosquitos of the chemical you added to the water?2. A gardener transplant two small, leafy, potted plants that were 6 inches tall and had green leaves and green stems. Both plants were transplanted to new pots the same size as the original pots. In one case, the new pot contained dry soil to which plenty of water was added. This soil ws the same as the soil in the original pot. The other plant, however, was transplanted to a pot containing a soil the solid material of which is fairly soluble in water, much more soluble in water than the soil in which the plant developed from a seed. After one day, the gardener noticed that the plant%u2019s leaves were wilting and that after two days the plant stem bent over so far the leaves were touching the soil. What happened to this plant? Why did it wilt so quickly?
List and depict at least three prokaryotic cellular features that could be targeted in this way to inhibit or kill a bacterial pathogen.
Think about the phenomenon of bacterial resistance to antibiotics. How did the combination of human advances and basic evolutionary principles lead to this condition?
Explain an atom in terms of subatomic particles. Be sure to explain the size, charge, and location of each particle and how the number of each of those particles affects the atom.
What types of ethical issues arise when an organization conducts research? Can you provide two examples of an ethical issues in a real world research situation?
Suppose that the Temperature is 37C and the Membrane Potential is -60mV, with the interior negative with respect to the exterior of the cell.
The procedure of beta oxidation and fatty acid synthesis are regulated in such a manner that neither procedure is active at the same time.
This job names three DNA features that are required to make a green fluorescent protein (GFP) reporter construct and indicates which of these controls the tissues in which GFP will be expressed if the construct is used to make a transgenic mouse.
Another temperate biome planned for the biome garden is the temperate grassland/desert biome. Your friend is particularly interested in developing temperate grassland. Discuss some of the considerations involved in establishing such grassland under g..
Think about a simple spherical model cell that consists of cytoplasm and a plasma membrane.
Medical history elicits the facts that she lost her husband six months previously, has been extremely depressed, and is taking sleeping pills and not eating properly. What would doctor hypothesize about the probability of senile dementia in this case..
Diversity in tropical regions is generally greater than at high latitudes. Explain two different hypotheses that propose the mechanism for this pattern that remains a biological mystery
Would you expect the measurements to be equivalent in both preparations? If a variation in size is expected, how will you account for this difference.
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