BioBeyond Genetic Replication Exam| Questions Solved with Verified Answers
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Module
BioBeyond
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BioBeyond
BioBeyond Genetic Replication
Exam| Questions Solved with
Verified Answers
Why is this an issue? - One DNA polymerase has to run away from the fork
Why are Okazaki fragments made on the lagging strand? - DNA polymerase has to copy away
from the fork and jump back to copy more when the fork mov...
BioBeyond Genetic Replication
Exam| Questions Solved with
Verified Answers
Why is this an issue? - ✔✔One DNA polymerase has to run away from the fork
Why are Okazaki fragments made on the lagging strand? - ✔✔DNA polymerase has to copy away
from the fork and jump back to copy more when the fork moves
What has to happen to the Okazaki fragments after they are made? - ✔✔The fragments must
be connected
In the Replication Race, you learned that DNA Polymerase in humans copies about 33 bases per second.
Assuming a total genome size of 3,000,000,000 bases, how many seconds are needed to copy the
human genome once? - ✔✔91000000
How many minutes is that? - ✔✔1510000
How many hours is that? - ✔✔26000
How many days is that? - ✔✔1100
How many years is that? - ✔✔3
Data gathered on DNA replication in human cells indicate that the entire process takes just 8 hours
- what is one way this could happen? - ✔✔There isn't just one polymerase copying the DNA
How many polymerases must be used to reduce the time needed to copy DNA from about 25,000
hours to 8 hours? - ✔✔3200
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