Indicate true (T) and false (F) statements below regarding the initiation of replication in human cells. Your answer would be a four-letter string composed of letters T and F only, e.g. TFFF.
( ) Tens of thousands of replication origins are used each time a cell in our body replicates its DNA.
( ) Different cells in our body use different sets of replication origins.
( ) Both replication forks in a replication bubble are normally active in replication.
( ) Gene expression and chromatin structure can affect the choice of the origins to use as well as the order in which they are activated.