what does the nucleus of a cell contain that are thread like
Report Abuse. The nucleus contains many things. It does contain DNA and chromosomes, but in also contains other components. For example, the nucleus contains the nucleolus, a mess of strands of nucleic acid. Also, the nucleus contains RNA, which convey the DNA's messages to the cell.Also in the nucleus is the nuclear envelope, which allows materials to pass through the membrane.Hope I could help.est Answer: It contains most of the cell's genetic material, organized as multiple long linear DNA molecules in complex with a large variety of proteins, such as histones, to form chromosomes. Source(s): Introvert Â· 7 years ago.