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In 1918, the tsar and tsarina of Russia and their five children were presumably assassinated and buried in an unmarked grave. Later, several women came forward and claimed that they were in fact Anastasia, one of the daughters whose bones had not been found. More recently, forensic scientists have extracted DNA, including mtDNA, from the skeletal remains. Which of the following samples of mtDNA had to be analyzed to discern which, if any, of the claimants was Anastasia?In 1918, the tsar and tsarina of Russia and their five children were presumably assassinated and buried in an unmarked grave. Later, several women came forward and claimed that they were in fact Anastasia, one of the daughters whose bones had not been found. More recently, forensic scientists have extracted DNA, including mtDNA, from the skeletal remains. Which of the following samples of mtDNA had to be analyzed to discern which, if any, of the claimants was Anastasia?
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?
A man drops a baseball off of the top of the Empire State Building. If the action force is the pull of the Earth on the ball, then what is the reaction force. What is the most possible diagnosis of the condition described? Explain.
Within an essay response, discuss the next concepts: an antioxidant's function, free radicals and their effect on the human body, sources of vitamin C, optimal delivery system for vitamin C, and precautions for use of vitamin C.
A new dominant mutation occurs in a population of red-winged blackbirds that triples the size of the red shoulder patch in males. Individuals expressing the new mutation are far more conspicuous to predators and this causes their survival to be re..
Several main types of animals are now extinct. A treasure trove of fossils from these unusual animals was found in the Canadian Rockies.
A patient has an 80 percent blockage of his left anterior descending coronary artery. Illustrate what occurs in terms of myocardial oxygen supply and demand if his sympathetic nervous system is stimulated.
No structures needed but show all the substrates involved in each reaction and the name of the enzyme. Changed mechanism of the transmission of infectious bacterial diseases with examples.
Where does the label show in mevalonate. A spherical ball of solid, nonporous naphthalene (as in a "moth ball") is suspended in still air; naphthalene ball slowly sublimes, releasing the naphthalene into the surrounding air by molecular diffusion lim..
The formation of surface blebs caused by ischemia reflects in part plasma membrane injury, but also a sign of cytoplasmic injury.
Assume you wish to make an agarose gel to run a DNA digestion that you have prepared, but you do not have the reagents required to make it.
Assume you have identified a mutant E. coli strain that cannot synthesize histidine. To determine the location of the his- mutation on the E. coli chromosome.
An ecologist observed that sugar maples seemed to dominate the understory of a forest while the larger trees were mainly white oaks. Are the maples replacing the oaks?
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