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.
Rockets were first invented in China in 1232 C.E. -100 BC-Aeolipile is invented, uses steam for thrust. It is a sphere that has two L-shaped tubes, and the steam goes through the tubes, causing the sphere to spin.-1232 BCE-Chinese use rockets with arrows attached against Mongol invaders.ockets were first invented in China in 1232 C.E. -100 BC-Aeolipile is invented, uses steam for thrust. It is a sphere that has two L-shaped tubes, and the steam goes through the tubes, causing the sphere to spin.