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Q1. Suppose that you have been chosen as the biologist for the design team implementing a self-contained space station to be assembled in orbit. It will be stocked with organisms you select, creating an ecosystem that will support you and five other people for two years. Explain the main functions you expect the organisms to perform. List the types of organisms you would select, and explain why you chose them.
Q2. Biologists in United States are concerned that populations of many migratory songbirds, such as warblers, are declining. Evidence suggests that some of these birds might be victims of pesticides. Most of the pesticides implicated in songbird mortality have not been used in the United States since the 1970's. Propose a hypothesis to explain the current decline in Songbird numbers. Suggest an experiment that could test your hypothesis.
What would be TRC for a male with the genotype AABbCcDD? For a female. In contrast, each dominant allele in an individual's genotype contributes 12 ridges to the TRC in males and 10 ridges to the TRC in females.
An assured drug that is used to control high blood pressure stimulates K+ excretion in the kidney such that plasma [K+] decreases from a normal value of 5 mM to 2.5 mM. Intracellular [K+] is largely unaffected. What effect this drug will have on the ..
We are told that every surface we touch is teeming with bacterial cells, and bacteria are found in the pools we swim in, water we wash with, and on the hands of friends. Why don't we always have problems with bacterial infections all over our bodies.
Using this information, what two strategies can you use to isolate the giraffe's gene from its genomic library. If only females are found to be black, what were genotypes of the parents.
A man with a chin dimple and a non dimpled woman produce eight children, all having the chin dimple. Can you be certain of the man's genotype? Why or why not? What genotype is more likely, and why gives reason.
Across between short-tailed mouse and a long-tailed mouse yields all short-tailed mice. Crosses among the F1 yield an F2 of 48 short-tailed and 22 long-tailed. Suggest the model to explain and perform a chi-square test of your results.
Assume n-butylmalonate is added to an aerobic suspension of kidney cells using glucose exclusively as fuel. Predict, with description, the effect of this inhibitor on.
A patient lost a lot of blood during surgery and his blood pressure dropped from 120/80 to 90/50. Describe how the kidneys respond to this change in blood pressure.
A man with hemophilia marries a woman whose family has no record of hemophilia. Their first child is a son. The couple is worried that their son may have inherited hemophilia. What are the chances of a hemophilic son.
Approximate the broad-sense heritability for seed number in this population. In a natural population of out breeding plants, the variation of the total number of seeds per plant is 16.
Most birth control methods are designed to remain the egg and sperm from uniting to form a zygote. How do they keep sperm from uniting with egg.
Recognize the strengths and weakness of Callaway, TaylorMade, Titleist, Ping, and Nike. Which company has a competitive benefit in the marketplace? Why describe reason.
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