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Suppose that you discover a new plant species that seems to survive under a wide variety of environmental conditions. Explain an effective, but low budget approach(ie: not a genome study) to discern wheather the wid niche that this species has is due to phenotypic plasticity or local adaptation. Also, answer the following question: What specific result would you expect if local adaptation is the reason why individuals of the species are found across different envioronmental conditions?
2-types of signals have been implicated in metaphase checkpoint arrest. Think about the results of a recent experiment in which the unattached kinetochore of a monoattached chromosome was destroyed by a laser beam.
Multicellular animals have some mechanism to control cell mass that we do not understand; for in case, salamanders of different ploidies are the same size such that a haploid, a diploid, and a pentaploid organism are about the same size.
Rabbits heterozygous for Pelger trait and exhibiting that phenotype are crossed. The offspring appear in a 2:1 ratio (Pelger : normal). Explain this strange ratio.
Animals obtain energy during a sequence of chemical reaction in which sugar (C6H12O6) and oxygen gas (O2) are reactants. This process produces water (H2O) and carbon dioxide (CO2) as waste products. How might you use radioactive isotope to find out w..
In modern blimps, the gas of choice used to inflate them is helium rather than hydrogen. Hydrogen would be lighter, but helium is safer. Discuss similarities and differences of the atomic structure of hydrogen and helium.
A new enzyme you are studying has a Km of 7.0mM and a kcat of 126 per second. What will be the initial rate of reaction in units mM/min when 9.3 nanometer enzyme is reacted with 2.7 mM substrate. Report your answer in units if mM/min to nearest 1m..
Ed Rivers, a third-year medical student, was alone in hospital emergency room one night. It was unusually quiet in the ER, so the residents were getting some much required sleep.
Your assignment, if you want to accept this, is to cross two of the F1 offspring and complete Punnett square for this cross and then write the resulting genotype and phenotypes. This must be 100 percent completely done for any extra credit. Your cros..
What procedure ensures that pre-mRNA processing is co-transcriptional? Disucss ow are all three steps of processing sequentially controlled?
If the fox were to feed only on insect-eating birds, how many square meters of plant material would be necessary.
Think about the nature of negative-feedback control and the function of the respiratory system, what effect do you predict that a decrease in CO2 in the internal environment would have on how rapidly and deeply a person breathes?
Suppose that a team of scientists exploring in the Amazon discover various novel species of bacteria that use a non-standard nucleotide "X" in DNA.
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