Sticky ends refers to one outcome of cleavage of DNA with a restriction enzyme. In this case, it refers to an overhang which is produced when restriction enzymes cut the two DNA strands four base pairs from each other, creating a four-base 5' overhang in one molecule and a complementary 5' overhang in the other.
Haysi, Virginia. Haysi is a town in Dickenson County, Virginia, United States. The population was 498 at the 2010 census, up from 186 at the 2000 census, over which time period the town's area tripled. The pronunciation of the final syllable is that of sigh.
The county was named in honor of General William Campbell, hero of the American Revolutionary War. Campbell County is part of the Lynchburg, VA Metropolitan Statistical Area. As of the 2010 census, the county population is 54,842. The number of residents has grown steadily in every census after 1930, and the total population has more than doubled since that time.