Cell Cycle Division and Stem Cells Flashcards
The easily visible processes of nuclear division (mitosis) and cell division (cytokinesis), are collectively called (blank).
M phase
the M phase typically occupies how much time of the cell cycle?
a small fraction
What are the 5 stages of mitosis?
prophase, metaphase, anaphase, telophase, cytokinesis
An abrupt change in the biochemical state of the cell occurs from (blank) to (blank).
metaphase to anaphase
A cell can pause in metaphase before the transition to anaphase, but once the point has been passed, the cell carries on to the end mitosis and through (blank)
cytokinesis into interphase
Where does DNA replication occur?
interphase
The part of interphase where DNA is replicated is called (blank)
S phase
The cell grows continually in (blank) which consists of three phases.
interphase
DNA replication is confined to S phase; (blank) is the gap between the M phase and S phase.
G1
(Blank) is the gap between S phase and M phase.
G2
When does the nucleus and the cytoplasm divide
M phase
Which phase of interphase ensures DNA has been replicated correctly and that each daughter cell will be able to get an equal amount of DNA?
G2 phase
Interphase is everything but (blank).
M phase
In meiosis, after DNA replication, 2 nuclear ( and cell) division are required to produce (blank) gametes.
haploid
Each diploid cell that enters meiosis therefore produces four (blank) different haploid cells.
genetically
Each diploid cell that divides by mitosis produces two genetically (blank) diploid cells.
identical
(Blank) starts at the end of G2 and ends at the start of the next G1 phase. It includes the five stages of nuclear division (mitosis), as well as cytoplasmic division (cytokinesis).
M phase
In the breakdown of the nuclear envelope what is biochemically happening?
phosphorylation of lamins
Mitosis involves chromosomal (blank)
condensation
Mitosis involves ER and Golgi (blank).
fragmentation
In mitosis, the cell loosens (blank) adhesions.
extracellular
In mitosis, (blank) is transformed to bring about organized movements of chromosomal segregation.
cytoskeleton
In mitosis, The number of proteins that are thought to be (blank) are thought to be large – every part of the cell is affected in some way.
phosphorylated
Chromatids are bound together by multisubunit protein complexes called (blank).
cohesins.