Interphase
In which stage(s) does cell growth occur?
G1 and G3
No- Some do (skin cells), but some will not unless necessary (liver), and some cannot replicate (stem cells)
In which stage within interphase is DNA synthesized?
S phase
In which stage does the mitotic spindle form?
Prophase
What joins two sister chromatids?
A centromere
What are the three subphases of interphase?
G1, S phase, G2
During which phase are the nuclei divided?
Telophase
Chromatin
In which stage do two daughter nuclei and the nuclear envelope form?
Telophase
What is the mitotic spindle made from?
Microtubules
What does the centrosome do during interphase?
It is replicated
What segregates chromosomes in mitosis?
The mitotic spindle
Two genetically identical chromosomes joined by a centromere
In which stage are the chromosomes pulled apart?
Anaphase
What kind of cell does not respond to checkpoints?
Cancer cells
A chromosome duplicates during which stage?
S phase
What is the longest phase in mitosis?
Metaphase
What proteins help aid DNA packaging?
Histone proteins
In which stage are the chromosomes aligned mid-cell?
Metaphase
What checkpoint ensures that the chromosomes are aligned on the spindle?
The M checkpoint
What are the three checkpoints in cell division?
G1 checkpoint, G2 checkpoint, M checkpoint
What is the shortest phase in mitosis?
Anaphase
If you took all the DNA out of one cell, how long would it stretch?
About 2 meters
In which stage does the nuclear envelope break up?
Prometaphase
What checkpoint is known as the restriction checkpoint?
G1