The telomerase of a hypothetical eukaryote (Terminalus black

The telomerase of a hypothetical eukaryote (Terminalus blackburnia) can extend the telomeric repeats… Show more The telomerase of a hypothetical eukaryote (Terminalus blackburnia) can extend the telomeric repeats by adding copies/repeats of a 6-base sequence (CAGTTT) ot the ends of chromosomes Immediately following the passage of the replication fork (during S phase), the newly-replicated “left” end of a particular T.blackburnia chromatid has the following sequences on the two strands: 5’ AAACTGAAACTG (AAACTG)n … 3’ TTTGACTTTGAC (TTTGAC)n … Note that, in this case: 1) the end is blunt( i.e., there are no gaps or overhangs in either DNA strand), 2) both strands consist entirely of DNA (rater than RNA), and 3) no nucleotides have been removed from either strand 1) Which of the two strands shown above (i.e., “top” or the “bottom” strand) is the newly synthesized DNA strand? 2) During the replication process that just ended, did the DNA synthesized at this end correspond to the “leading” strand or to the “lagging” strand? 3) True or False: The left end of the other chromatid (i.e., the “sister” of the one indicated above) should have a blunt-ended sequence identical to the one indicated above 4) what sequence of the 6 nucleotides should be present (within a longer chain ) in the telomerase enzyme of this species? • Show less

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