kkk - Biology 302 Exam 3 Sample questions True-False...

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Biology 302 Exam 3 Sample questions True-False ___ Conserved nucleotide sequences found in exons are required for proper splicing of the primary transcript. ___ The phenomenon of alternate splicing is actually very rare and in only found to occur in a small number of cases. ___ The chemical modification of histones, particularly by acetylation, appears to be involved in the regulation of gene expression ___ Primary RNA transcripts can be used directly for translation into protein. ___ The AAUAAA sequence found near the 3’-end of a mRNA is required for both terminating the transcript and for poly-adenylation. Multiple choice - Choose the correct answer . ___ Exons are parts of genes that a. are present in the mature mRNA. b. contain protein coding sequences of a gene. c. sometimes can be spliced out of a functional mRNA. d. often encode entire protein domains e. all of the above ___The enzyme that links 5-methylguanosine (the 5’-CAP structure) through a 5'-to 5'- triphosphate linkage to the ends of RNA transcripts is called
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kkk - Biology 302 Exam 3 Sample questions True-False...

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