1. because the 2 strands of a dna molecule run in opposite directions, they are said to be bidirectional.
2. dna polymerases can add new dna nucleotides only to the 5' end of an existing strand.
3. because the 2 strands of a dna molecule run in opposite directions, and because dna polymerases can synthesize new strands only in the 5' to 3' direction, polymerases on opposite strands must synthesize dna in opposite directions.
4. the dna strand that grows away from the replication fork is synthesized continuously from one initial primer.
5. the dna strand that grows toward the replication fork is synthesized discontinuously in short pieces called okazaki fragments.
6. each okazaki fragment has its own primer. 7. the dna strand that is synthesized continuously is called the lagging strand.
8. the dna strand that is synthesized discontinuously is called the leading strand.
9. dna ligase joins adjacent okazaki fragments together into a complete strand.
10. dna polymerases cannot initiate synthesis of a new dna strand; they can only add bases to an existing strand.
true or false