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Mitosis, Meiosis, Cancer
Review
25
Biology
9th Grade
01/21/2012

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Cards

Term
why cells divide
Definition
to reproduce (single cell), for growth and tissue repair (multi-cellular), when they get too large
Term
binary fission
Definition
splitting into 2, done by bacteria
Term
budding
Definition
cell division done by yeast
Term
mitosis
Definition
copying and splitting of eukaryotic cell
Term
interphase
Definition
G1, S-phase, G2
Term
G1
Definition
standard part of life
Term
S-phase
Definition
DNA is copied to prepare for cell divison
Term
G2
Definition
cells prepare to divide
Term
Mitosis
Definition
prophase, metaphase, anaphase telophase
Term
prophase
Definition
chromatin condenses forming chromosome, nuclear membrane dissolves, centrioles help separate DNA correctly
Term
metaphase
Definition
chromosomes line up on equatorial plate, spindle apparatus is complete
Term
anaphase
Definition
chromatids (1/2 chromsome but 100% DNA) are pulled towards poles, centromeres break
Term
telophase
Definition
chromatids reach poles, cell membrane begins to constrict in the center, nuclear membrane begins to form, chromosomes diffuse
Term
Meiosis
Definition
to prepare for sexual reproduction; no interphase
Term
chromosomes in meiosis
Definition
half of dads have of moms (end up with 23 chromatids)
Term
anaphase 1
Definition
whole chromosome moves towards poles and isn't split at centromere
Term
Metaphase II
Definition
no pairing
Term
how tumors are caused
Definition
errors in cell cycle
Term
carcinogen
Definition
something that causes cancer
Term
zygote
Definition
fertilized egg
Term
gamete
Definition
sperm or egg
Term
diploid
Definition
mitosis; 2n
Term
haploid
Definition
meiosis; n
Term
centromere
Definition
where chromatids connect
Term
cytokanisis
Definition
phase after mitosis where cell divides
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