Docsity
Docsity

Prepare for your exams
Prepare for your exams

Study with the several resources on Docsity


Earn points to download
Earn points to download

Earn points by helping other students or get them with a premium plan


Guidelines and tips
Guidelines and tips

Mitosis Cell Division Phases Concept Map, Schemes and Mind Maps of Cell Biology

Stages in mitosis process are: Interphase, Prophase, Metaphase, Anaphase, Cytokinesis

Typology: Schemes and Mind Maps

2020/2021

Uploaded on 06/11/2021

ekadant
ekadant 🇺🇸

4.3

(31)

268 documents

1 / 1

Toggle sidebar

This page cannot be seen from the preview

Don't miss anything!

bg1
Mitosis
Prokaryotic
cells divide
by binary
fission
Eukaryotic cells
divide b mitosis=2
daughter cells and
meiosis= 4 unique
daughter cells
Important For Growth
Repair tissues
Asexual reproduction
(1) Interpase
longest stage
Cell
preparin
g to
divide
DNA
replicated
No change in appereance
to cell + chromosomes not
yet visible
Chromosom
es and
Mitosis Eukaryotic
chromosomes
= linear
molecules
During interpase
each chromosome
is duplicated
Essential as
each daughter
cell needs one
copy of each
chromosome
Two copies
of each
chromosome
are joined at
centromere
(2) Prophase
Chromosomes 'condense'
by coiling themselves
tightly, become visable
Chromosomes
now clearly
seen to consist
of two sister
chromatids
joined at the
centromere
End of prophase
Nuclear
envelope
breaks down
Centrio
les
begin
to
opposit
e ends
of the
cell
Spindle
fibres
begin
to form
betwee
n the
centriol
es
(3) Metaphase
Chromosomes
line up, middle
of cell
Spindle fibres fully
formed and extend
from centrioles at
either end of the cell
to the chromosomes
Part of
chromosome
these fibres are
attached to is
called the
CENTOMERE
(3) Anaphase
SISTER
CHROMATIDS,
seperated out, star to
move towards
CENTRIOLES
SPINDLE FIBRES
CONTRACT and pull
chromatids towards
the centrioles
(4) Telophase
Seperated
chromosomes
arrive at the
poles of the cell
Chromosome
s start to
unwind
NUCLEAR
MEMBRANE
starts to
reappear
(5) Cytokinesis
Cytopl
asm
betwe
en the
two
cells
splits
to form
the
daught
er
cells

Partial preview of the text

Download Mitosis Cell Division Phases Concept Map and more Schemes and Mind Maps Cell Biology in PDF only on Docsity!

Mitosis

Prokaryotic

cells divide

by binary

fission

Eukaryotic cells

divide b mitosis=

daughter cells and

meiosis= 4 unique

daughter cells

Important For

Growth

Repair tissues

Asexual reproduction

(1) Interpase

longest stageCell preparin g to divide

DNA

replicated

No change in appereance to cell + chromosomes not yet visible

Chromosom

es and

Mitosis Eukaryotic

chromosomes = linear molecules

During interpase each chromosome is duplicated

Essential as each daughter cell needs one copy of each chromosome Two copies of each chromosome are joined at centromere

Chromosomes 'condense' (2) Prophase

by coiling themselves tightly, become visable

Chromosomes now clearly seen to consist of two sister chromatids joined at the centromere

End of prophase

Nuclear envelope breaks down

Centrio les begin to opposit e ends of the cell

Spindle fibres begin to form betwee n the centriol es

(3) Metaphase

Chromosomes line up, middle of cell Spindle fibres fully formed and extend from centrioles at either end of the cell to the chromosomes Part of chromosome these fibres are attached to is called the CENTOMERE

(3) Anaphase

SISTER

CHROMATIDS,

seperated out, star to move towards CENTRIOLES

SPINDLE FIBRES

CONTRACT and pull chromatids towards the centrioles

(4) Telophase

Seperated chromosomes arrive at the poles of the cell

Chromosome s start to unwind

NUCLEAR MEMBRANE starts to reappear

(5) Cytokinesis

Cytopl asm betwe en the two cells splits to form the daught er cells