Power of Sale. 1  Some title companies draft and insure land contracts that contain a Vendor, a Vendee and a Trustee.  Like a trustor in a trust deed, the Vendor and Vendee assign right, title and interest to the trustee for the purpose of securing the Vendor's and Vendee's obligations.
When DNA is replicated, hydrogen bonds between the complementary bases are broken to allow for the double helix DNA strand to unzip.he hydrogen bonding between the base pairs must be broken to  separate two strands of DNA molecule.
An enzyme called âhelicaseâ travels along the DNA unwinding and breaking the hydrogen bonds between the two strands. An enzyme called âtopoisomeraseâ travels just ahead of helicase on the replication fork to prevent the DNA from winding too tight.