mitosis
( { I / DIVISION -
GROWTH AND REPAIR
, rgfrouikfu-amrol~oep-ou.ua
all organisms made of cells
•
each cell
by making cytoplasm organelles till it reaches cer tain maximum size
•
grows more + new
•
when cell can't grow anymore
→
makes exact
copy of all its parts to divide to form 2 identical cells
•
mitosis →
when a cell divides into two cells exactly the same
→
how more cells are made →
organism gets bigger or part of an
organism can be repaired
the cell
mother cell original
• →
•
daughter cells →
2 cells that result from division of mother cell
reproduction
•
some cells use mitosis as means of reproduction →
asexual reproduction diploid =
46 Chromosomes
•
does not involve sex cells →
splitting of
organism to form 2 new identical
organisms haploid =
23 Chromosomes
single-celled amoeba demonstrates asexual reproduction
•
→
half process called fission
divides in
by daughter cells
→ =
z
→
after period of
feeding growth daughter
+ cells then also divide in half
the
telenovela
cells divide leads formation of
they go through
•
sequence of stages to new cells
→
as :
cell division
cell
cycle sequences of stages during
•
→
→
star ts and ends with cell division
→
consists of mitosis (cell division) and interphase
interphase
•
Of cell divisions
growth period the cell between
→
in
•
most of cell 's life -
90%
in thin look like
long
→
chromosomes nucleus and network
•
are a
→
DNA reffered to as chromatin network
interlinked chromatin strand is
single long molecule of DNA
•
DNA seems
→
each a
( { I / DIVISION -
GROWTH AND REPAIR
, rgfrouikfu-amrol~oep-ou.ua
all organisms made of cells
•
each cell
by making cytoplasm organelles till it reaches cer tain maximum size
•
grows more + new
•
when cell can't grow anymore
→
makes exact
copy of all its parts to divide to form 2 identical cells
•
mitosis →
when a cell divides into two cells exactly the same
→
how more cells are made →
organism gets bigger or part of an
organism can be repaired
the cell
mother cell original
• →
•
daughter cells →
2 cells that result from division of mother cell
reproduction
•
some cells use mitosis as means of reproduction →
asexual reproduction diploid =
46 Chromosomes
•
does not involve sex cells →
splitting of
organism to form 2 new identical
organisms haploid =
23 Chromosomes
single-celled amoeba demonstrates asexual reproduction
•
→
half process called fission
divides in
by daughter cells
→ =
z
→
after period of
feeding growth daughter
+ cells then also divide in half
the
telenovela
cells divide leads formation of
they go through
•
sequence of stages to new cells
→
as :
cell division
cell
cycle sequences of stages during
•
→
→
star ts and ends with cell division
→
consists of mitosis (cell division) and interphase
interphase
•
Of cell divisions
growth period the cell between
→
in
•
most of cell 's life -
90%
in thin look like
long
→
chromosomes nucleus and network
•
are a
→
DNA reffered to as chromatin network
interlinked chromatin strand is
single long molecule of DNA
•
DNA seems
→
each a
