DNA and histone proteins are packaged into structures called chromosomes. In the nucleus of each cell, the DNA molecule is packaged into thread-like structures called chromosomes.Each chromosome is made up of DNA tightly coiled many times around proteins called histones that support its structure.Chromosomes are not visible in the cellâs nucleusânot even under a microscopeâwhen the cell is not dividing.However, the DNA that makes up chromosomes becomes more tightly packed during cell division and is then visible under a microscope.hromosomes are not visible in the cellâs nucleusânot even under a microscopeâwhen the cell is not dividing. However, the DNA that makes up chromosomes becomes more tightly packed during cell division and is then visible under a microscope.
What do people call the imaginary line along the top of the Rocky Mountains? Who was the original singer of Rocky Top?   'Rocky Top' was written by Felice and Boudleaux Bryant and first recorded by the Osborne Brothers in 1967; it was a hit for Lynn Anderson in 1970.
. It's a Long Way to the Top (If You Wanna Rock 'n' Roll)  is a song by Australian hard rock band AC/DC. It is the first track of the group's album T.N.T. , released in December 1975, and was written by Angus Young, Malcolm Young and Bon Scott.he song chronicles the hardships endured by a rock band on tour, such as being robbed, assaulted, stoned, and cheated by a greedy agent. However, the band accepts these hardships as natural on the path to stardom, saying that It's a long way to the top/If you wanna rock 'n' roll.