D. Pathogen. :) I hope it right :)
Excretory = Urinary: Kidneys, Ureters, Bladder, Urethra
Since you don't provide the phrase, it more or less will look like this :
a. Leading Strand
- Made continuously
- Only one primer needed
- Daughter strand elongates toward replication fork
b, Lagging strand
- made in segment
- multiple primer needed
- Daughter strand elongates away from replication fork
C. Both strands
- Synthesized 5 to 3
