mitosis Flashcards

(38 cards)

1
Q

mitosis

A

the process by which the nucleus of a cell divides while maintaining the chromosome number

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2
Q

asexual reproduction

A

reproduction with only one parent, offspring identical to the parent

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3
Q

sexual reproduction

A

a new individual is produced by the union of the nuclei of two specialized sex cells

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4
Q

chromatin

A

the material of which chromosomes are composed

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5
Q

chromosomes

A

rod like structures in cells that undergo division and that contain hereditary information of the organism

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6
Q

chromatids

A

one of the two strands of a doubled chromosome

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7
Q

karyokinesis

A

during cell division the process of partition of the cells nucleus into the daughter cells

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8
Q

cytokinesis

A

the division of the cytoplasm of the cell after mitosis, the cell divides into 2 parts, each containing one of the newly formed nuclei and half of the other contents of the parent cell

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9
Q

centrosome

A

a organelle that is the main place where cell microtubules are organized. it regulated the cell division cycle, the stages which lead up to the one organelle cell dividing into two

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10
Q

centromere

A

the region of attachment of two sister chromatids

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11
Q

centrioles

A

cylindrical organelles found near the nucleus in animal cells that are involved in mitosis

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12
Q

spindle fibers

A

involved in moving and segregating the chromosomes during nuclear division. made up of microtubules

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13
Q

asters

A

star shaped structures formed during mitosis in animal cells by fibers from the centrioles

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14
Q

cleavage furrow

A

the indentation of the cells surface that begins the progression of cleavage, by which animal cells undergo cytokinesis

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15
Q

cell plate

A

a structure formed during cytokinesis in a plant cell that divides the cell in half, forming part of the new cell walls of the daughter cells

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16
Q

genetic material in form of chromatin

17
Q

genetic material is replaced (duplicated)

18
Q

cellular organelles (including centrioles) are synthesized

19
Q

cell grows in size

20
Q

chromatin condensed into chromosomes (pairs up)

21
Q

centrioles begin to move to poles

22
Q

spindle fibers begin to form and attach to chromosomes

23
Q

nuclear membrane and nucleolus begin to breakdown and disappear

24
Q

chromosomes align along equatorial plate(moves to middle)

25
centrioles have reached the poles
metaphase
26
nuclear membrane and nucleolus are completely gone
metaphase
27
spindle fibers are completely connecting chromosome to centrioles
metaphase
28
duplicate chromosomes begin to move to the poles (apart)
anaphase
29
spindle fibers shorten
anaphase
30
cells begin to elongate
anaphase
31
cell begin to “separate” into two new cells
anaphase
32
chromosomes reach the ends (poles) of cells (terminals)
telophase
33
chromosomes relax back into chromatin
telophase
34
spindle fibers detach and dissociate from chromosomes
telophase
35
nuclear membrane and nucleus reform
telophase
36
cell continues to separate into two new cells
telophase
37
process by which the cytoplasm is completely separated into two daughter cells
cytokinesis
38
(made by photosynthesis) glucose ->
cellulose