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Provide a scenario in which a species becomes extinct.
In your scenario, discuss the hypothetical extinction of a current living species. This extinction could be caused by humans or by natural events in the species' ecosystem.
What factors lead to the extinction of this species?
How will the absence of this species affect the remaining organisms in that ecosystem?
Provide specific examples to support your answers.
Your friend says that organisms that require oxygen existed before photosynthetic organisms. Do you support this idea? Explain why or why not.
NMR spectroscopists often do experiments in D2O. The deuterium atoms in D2O can exchange for hydrogens in an organic molecule if and only if those hydrogens are exposed to solvent and are attached to polar atoms.
What is the difference between a chromosome and a gene?
briefly outline the steps involved in a bacteriophage plaque assay. a clear plaque would indicate which replication
A person has been diagnosed with third degree burns over the anterior surfaces of their arms and trunk. What specific structural damage has occurred to their skin and what risks to life may result from this injury?
what happens during muscle contraction
If the original cell had a diploid number of 16, how many chromosomes would be present in each resultant cell after meiosis?
Viruses are typically not classified as true living organisms by biologists. Viruses have DNA or RNA and protein but are not able to replicate until they infect a host cell. Within the cell they must use the enzymes and molecular building blocks t..
What is the ratio of normal-leaved to potato-leaved plants when you assume that p is located on chromosome 6?
Explain why does inhibiting the Na/K transport pump in neurons will not have an instant effect on membrane potential. Over time the membrane potential will depolarize.
describe the phenomenon of EPIGENTICS. Please include a definition of the term AND one (1) specific example to an epigenetic phenotype.
How could you explain the occurrence of birth defects (caused by altered genes) in children and grandchildren of WWII atomic bomb victims, while the victims themselves were only mildly affected.
How do these duplications arise and what do they propose in terms of mechanisms of transposition. Could you help to understand FEV1/FVC and how the expected percentage of this figure relates to respiratory problems.
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