the nucleus Flashcards
1
Q
nucleus function
A
control center for cellular activity
2
Q
three basic structures of the nucleus
A
nuclear envelope, nucleolus, and chromatin
3
Q
function of the nuclear envelope
A
controls what enters and exists; forms a barrier between the inside and outside
4
Q
structural characteristics of the nuclear envelope
A
-double membrane
-nuclear pores
5
Q
function of the nucleolus
A
make ribosomes
6
Q
what does the nucleus house
A
deoxyribonucleic acid (DNA)
7
Q
when the cell does not divide, the DNA and associated proteins exist as
A
chromatin
8
Q
what does chromatin do during cell division
A
coils tightly to form chromosomes
