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Describe the composition structure and breakdown of haemoglobin
Consider a species of dinosaurs and assume that females are XX and males are XY. Further assume that black scales, B, is a sex-linked dominant trait and that green scales, b, is the recessive trait. The gene resides on the X gene only.
Hershey and Chase experimented with radioactively labeled phosphorus and sulfur to determine that DNA and not protein is the genetic material.
The PCR-derived DNA fragment used an insert in pUC19 was amplified by thenty-five cycles. Suppose that the PCR amplification process and restriction digestion process are 100% efficient.
The effects of early feeding experiences on later food preferences were studied in guinea pigs. The animals were grouped five per cage, and each of the three groups was fed only one type of food-A, B, or C-for three weeks.
How might individuals recognize kin and can you think of ways to test whether a particular modality (call, smell, taste, and so forth) is important in kin recognition?
Define the concept of biodiversity and explain the importance of biodiversity to plant communities. Describe particular threats to biodiversity that you see happening in your area of the country or community and discuss what might be done to count..
Two long parallel wires carry currents of 4.0A each in the same direction. The wires are separated by a distance of 2.0cm. What is the magnitude of the magnetic force per unit length between the wires?
Define membrane potential (Vm) and sodium equilibrium potential (ENa). Which of these, if any, changes during the course of an action potential?
If it is reported that Algal bloom kills fish, but the algae didn't produce toxins, what would have caused the fish to die if the algae was non toxic? What could have caused the algal bloom?
Knowing that acid rain has a pH of 2 - 3 would you conclude that crop species with a narrow soil pH range are in trouble? Explain why, or why not, using scientific reasoning. Is acid rain a problem for plant species and crops
If a cube representing the cell is 5um on a side, compute the surface area to volume ratio, and explain why this is or is not a good size for a cell.
Which structure can be used for feeding and gas exchange.
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