Nucleus Flashcards
1
Q
What does the nucleus contain?
A
DNA, protein
2
Q
What do chromosomes do?
A
-direct protein synthesis because they are the site of transcription
3
Q
3 parts of the nucleus
A
-nucleolus
-nuclear envelope
-nucleoplasm
4
Q
Nuclear membrane
A
-double membrane
-pores to allow passage of large molecules like mRNA and ribosomes out of the nucleus
5
Q
Nucleoplasm
A
-granular material in the nucleus
-contains chromatin
6
Q
Chromatin is made of
A
coils of DNA bound to protein
7
Q
During cell division what does the chromatin do?
A
condenses into chromosomes
8
Q
Nucleolus
A
-spherical bodies in the nucleus
-sites of formation of rRNA
