Quiz4_Ans - BioBM 432 Survey of Cell Biology Quiz #4...

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BioBM 432 Survey of Cell Biology Quiz #4 Wednesday March 28, 2007 Name____________________________ 1. (7pts) True or False. __ T __ Abnormal human karyotypes can be determined without FISH techniques. __ T __ Some of the polypeptides found in the three eukaryotic RNA polymerases are the same in all three enzymes. __ F __ One of the large subunits of each of the three eukarotyic RNA polymerases has a C- terminal ‘tail’ composed of a short repeated sequences that can be phosphorylated by a general transcription factor. __ F __ Histone acetylation promotes chromatin condensation , leading to inhibition of transcription. __ T __The mechanism of splicing of Group II self-splicing introns is the same as the mechanism of splicing of introns by the spliceosome. __ F __ In the nuclear pore complex, a morphological feature called the basket projects into the cytoplasm , possibly to funnel proteins into the pore.
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Quiz4_Ans - BioBM 432 Survey of Cell Biology Quiz #4...

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