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Growth And Division of Cell (Division of the Cell (Cytokinesis (Cells…
Growth And Division of Cell
Growth Phase of the Cell
Eukaryotes
G1 Phase
synthesis of nucleotide
longest part of the cell cycle
recovery from division
cell growth
G2 Phase
cell produce proteins
synthesis of alpha and beta tublins
it is necessary for the spindle microtubules
S Phase
Gene in the nucleus are replicated
Genome
it is the entire complex of all genes
Histones
Protein Complex
it gives structure to the cell and provides protection
Synthesis Phase
Chromatid
it is the each half of the doubled chromosomes
Chromosomes
Telomere
at the end of the chromosomes
Attached genes in a linear sequences
Centromere
located at the center
Endoreduplication
it occurs in 80% of all maturing plants
Nucleus becomes huge
Prokaryotes
No meosis and mitosis
Cytokinesis
Division of the Cell
Meosis
Meosis I
Metaphase I
tetrads line up on the metaphase plate
Anaphase I
homologous pairs separate
Prophase I
Synapsis and crossing over occurs
Telophase I
Cytokinesis I
Meosis II
Metaphase II
chromosomes line up on the metaphase plate
Anaphase II
sister chromatids separate
Prophase II
Telophase II
Cytokinesis II
four haploid daughter cells are formed each having one chromosomes
Cytokinesis
Cells split in two daughter cells each having one nucleus
starts before end of mitosis
The division of the cell cytoplasm
ends afte rmitosis ends
Mitosis
Metaphase
Spindles fully develop
Anaphase
Chromatids separate and moves towards cell ends
centromeres move apart
Prophase
centrioles move away from eachother
Chromatin becomes coiled into chromosomes
asters formed in animal cells
kinetochores attach to kinetochore fibres
Telophase
[Chromosomes]
https://www.khanacademy.org/science/high-school-biology/hs-reproduction-and-cell-division/hs-chromosome-structure-and-numbers/a/dna-and-chromosomes-article
a thread like structure and protein found in the nucleus of most living cells, carrying the genetic information
Eukaryotic Chromosomes: have more DNA and multiple chromosomes, close association with histones, forming chromatin.
in prokaryotic chromosomes: contains circular DNA chromosomes that contains most or nearly all cell's genetic information.
