Which of the following correctly describes the difference between the leading and lagging strands?
1) The leading strand is synthesized continuously in the 5' to 3' direction, while the lagging strand is synthesized discontinuously in the 3' to 5' direction.
2) The leading strand is synthesized discontinuously in the 3' to 5' direction, while the lagging strand is synthesized continuously in the 5' to 3' direction.
3) The leading strand is synthesized continuously in the 3' to 5' direction, while the lagging strand is synthesized discontinuously in the 5' to 3' direction.
4) The leading strand is synthesized discontinuously in the 5' to 3' direction, while the lagging strand is synthesized continuously in the 3' to 5' direction.