Death cap mushrooms produce a substance called alpha-amanitin. alpha-amanitin efficiently blocks synthesis of mrna, but not of trna or rrna in eukaryotic organisms. this is possible because alpha-amanitin efficiently interferes with

When and why were fingerprints first used in the united states

As you drive in to school, you hear a random radio-show caller arguing that sun exposure really has not been shown to cause skin cancer and that some research suggests that skin cancer is completely genetic and not related to sun exposure at all. at the time, you think that this is a silly argument and that the caller does not know what she is talking about. however, two months later, you are outside without wearing sunscreen, and you find yourself remembering that you had read something about how the sun actually does not cause skin cancer. this process is evidence that has influenced your attitude

Which factors are examples of how technology may have affected the great migration apex