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CELL CYCLE & MITOSIS

EACH PHASE

QuestionAnswer
G1 CELL GROWTH, DUPLICATION OF ORGANELLES, PREP FOR DNA REPLICATION
S SYNTHESIS PHASE -DNA REPLICATION, SYNTHESIS OF DUPLICATE COPIES OF EACH CHROMOSOME
G2 CELL GROWTH, DUPLICATION OF ORGANELLES, PREP FOR CELL DIVISION
M MITOTIC PHASE FORMATION OF 2 DAUGHTER CELLS MITOSIS/CYTOKINESIS
PROPHASE -CHROMATIN SHORTENS TO CHROMOSOMES, SPINDLE BEGINS TO FORM
PROMETAPHASE -NUCLEAR ENVELOPE DISMANTLES INTO MEMBRANE, KINETOCHORES FORM SISTER CHROMATIDS, SPINDLE ATTACH KINETOCHORES
METAPHASE -SPINDLE POSITIONS SISTER CHROMOTIDS AT CENTER
ANAPHASE -SEPARATES AND DETACHES SISTER CHROMATIDS, SPINDLE DELIVERS CHROMATIDS TO EACH SIDE OF CELL
TELOPHASE MEMBRANE REVERTS BACK TO NUCLEAR ENVELOPE, CHROMOSOMES UNWIND TO REFORM CHROMATIDS
CYTOKINESIS CELL SPLITS INTO TWO DAUGHTER CELLS
CHROMATIN CONSIST OF DNA, HISTONE, PROTEINS, AND SPECIALIZED RNA
HOMOLOGOUS CHROMOSOMES (HOMOLOGS) THE TWO COPIES OF EVERY GENE INHERITED FROM EACH PATERNAL AND MATERNAL CHROMOSOME
PHASES OF MITOSIS PROPHASE, PROMETAPHASE, METAPHASE, ANAPHASE, TELEOPHASE/CYTOKINESIS
SPINDLE STRUCTURE CONSISTING OF MICROTUBULES FORMED FROM THE PROTEIN TUBULIN
KINETOCHORE SPINDLE MICROTUBULES ATTACH HERE ON EACH CHROMATID, CONSIST OF CENTROMERE DNA SEQUENCE & SPECIFIC PROTEINS
MOTOR PROTEINS PULL THE SISTER CHROMATIDS ALONG MICROTUBULE
TUBULIN SUBUNITS TUBULIN PROTEIN POLYMERASE TO FORM MICROTUBULES
ANEUPLOIDY ABNORMAL CHROMOSOME NUMBERS CAUSED BY M(SPINDLE) CHECKPOINT FAILURE.
Created by: dgira002
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