At each replication fork, one new strand of dna is made as one continuous piece. what is this strand of dna called?

The correct answer is:

The "leading" strand.  

Explanation:

When replication occurs, the two parent DNA strands are withdrawn. One of these is represented as the leading strand, and it is replicated continuously in the 3' to 5' direction. In DNA replication, the strand that is performed in the 5' to 3' orientation by continuous polymerization at the 3' growing tip.

what statement best describes the difference between the sympathetic and parasympathetic nervous systems?

the sympathetic nervous system prepares the body for intense physical activity and is often referred to as the fight-or-flight response. the parasympathetic nervous system has almost the exact opposite effect and relaxes the body and inhibits or slows many high energy functions.