Cell Nucleus, Replication, & Types of Cell Death Flashcards
study for midterm 1
1
Q
euchromatin
A
actively transcribed to mRNA
2
Q
heterochromatin
A
chromosomes center & ends
3
Q
chromatin folding
A
extremely folded
4
Q
outer nuclear membrane resembles what
A
rough ER
5
Q
Cell Replication Cycle
A
G1 phase - longest and most variable
S phase - DNA doubles
G2 - DNA damage checkpoint
M phase - metaphase (attach to microtubules), anaphase (split apart)
6
Q
static cell populations
A
CNS, skeletal and cardiac muscle
7
Q
slowly renewing
A
lens of eye, smooth muscle
8
Q
rapidly renewing
A
epithelium/dermis
9
Q
apoptosis
A
programmed cell death
10
Q
necrosis
A
accidental death
11
Q
pyknosis
A
condensation of nucleus
12
Q
karyorrhexis
A
fragmentation of nucleus
13
Q
karyolysis
A
nucleus fades, only in necrosis
