Card Set Information
Nucleus and the stuff that goes on inside it.
What is the Nucleus and what does it hold?
brain of the cell that holds the instructions for life (genetic material).
What is the nucleus filled with?
jelly like substance called nucleoplasm in which the DNA and nucleolus is sustained
What are the instructions for life (genetic material) that the nucleus holds?
nuclear envelope, chromatin, chromosomes, and nucleoli
What is the Nuclear envelope?
a double membrane layer with pores that allow transport into and out of the nucleus
What is chromatin?
DNA strands loosely wrapped around histone protein
What is chromosomes?
DNA strands super coiled to form dense discrete structures seen during cell division that resemble an X. Chromosomes are tightly wound, non-ready, used in cell-division
What is the difference between chromatin and Chromosomes?
: DNA strands loosely wrapped around histoine protein
: tightly wound, non-ready, used in cell-division
What condenses to form chromosomes?
What is Nucleoli?
region within the nucleus where ribosome production takes place (where ribisomes are made)
What do DNA wrap around?
What are the 2 genetic materiels that the DNA is in?
Chromatin and Chromosomes