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The cell cycle
Terms in this set (25)
the continuity of life based on the cell cycle
the cell cycle .
*development from fertilized cell.
multicellular organism depends on the cell division for what.
identical genetic information (DNA)
Mitosis results in daughter cell with what?
the cell's genome.
all DNA in a cell constitutes what?
DNA molecules in a cell are packaged into what?
is a complex of DNA and protein that condenses during cell division in eukaryotic chromosomes .
are non-reproductive cells, they have 2 sets of chromosomes.
reproductive cells(sperm & eggs) they have half as many as the somatic cells.
the narrow "waist" of the duplicate chromosomes, where the two chromatids are most closely attached.
mitosis- the division of genetic materials in the nucleus.
cytokinesis- the division of cytoplasm .
eukaryotic cell division is consist of what?
a cellular structure carrying genetic materials. also is where the DNA molecules in a cell are packaged .
all DNA in a cell constitutes the cells what?
mitotic (M) phase- includes mitosis and cytokinesis.
interphase- includes cell growth and copying of chromosomes in preparation for cell division.
the cell cycle cycle consist of 2 broad phases what are they.
G1 phase (first gap)
S phase (synthesis)
G2 phase (2nd gap)
interphase is divided into 3 sub phases what are they?
the S phase.
the cell grows during all phases but is duplicate during what phase?
mitosis id divided into 5 phases what are they?
a structure made of microtubules that controls chromosomes movement during mitosis.
what is a mitotic spindle?
a radial array of short microtubules that extends from each centrosomes.
what is an aster?
a structure of proteins attached to the centromere that links the 2 sister chromatid to the mitotic spindle.
what is a kinetochore?
cleavage forming a cleavage furrow.
in animal cells, the cytokinesis occurs by a process known as what?
a cell plate?
in plant cells what is formed during cytokinesis?
prokaryotes (bacteria & archaea) reproduce by a type of cell division called what?
a distinct cell controls. which is similar to a clock.
the sequential events of the cell cycle are directed by what?
what the place called where the cell cycle until a go- ahead signal is received.
if the cell doesnt receive the go ahead signal, it will exit the cycle, switching into a non- dividing state called what?
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