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.ach 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.
Answers. Best Answer: The invention of the minie ball, coupled with the invention of the rifle-musket, allowed for faster shooting and more devastating injuries.The minie ball is shaped like the modern bullet, and shatters on impact.The musket ball, round and circular, would not fracture inside the body, making it easy to pull out. Other important inventions were the Gatling gun, the repeating rifle, and ironclads.he musket ball, round and circular, would not fracture inside the body, making it easy to pull out. Other important inventions were the Gatling gun, the repeating rifle, and ironclads.
In 1982 Ruger began marking many Mini-14 rifles as RANCH RIFLE instead of Mini-14 on the receiver. This version was optimized for use with a telescope sight, thus was produced with integral scope bases on receiver and is supplied from the factory with Ruger scope rings.he Mini-14 was first introduced in 1974 by Ruger. The name Mini-14 is derived from the military M14 rifle. It incorporated numerous innovations and cost-saving engineering changes. The Mini-14 proved popular with small-game hunters, ranchers, law enforcement, security personnel, and target shooters.