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Bio 151 > Mitosis and the Cell Cycle > Flashcards

Mitosis and the Cell Cycle Flashcards

1
Q

fission

A

prokaryotic cell division

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2
Q

mitosis

A

use microtubules in mitotic spindle to separate sister chromatids to make separate chromosomes

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3
Q

chromatin

A

the material of chromosomes (DNA, protein, RNA)

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4
Q

chromosome

A

one or two chromatids joined by a centromere

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5
Q

sister chromatid

A

DNA replicate and original chromosome

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6
Q

centromere

A

center of chromosome

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7
Q

chromosome condensation

A

chromosomes condense after replication and before mitosis to make separation easier

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8
Q

mitotic spindle

A

built of microtubules, arranges and moves chromosomes

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9
Q

centriole

A

organize the microtubules into correct placement for mitotic spindle

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10
Q

centrosome

A

contains the centrioles, where spindle fibers develop during mitosis

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11
Q

kinetochore

A

proteins surrounding the centromere which control movement through shortening and sliding

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12
Q

prophase

A

chromosomes condense, mitotic spindle forms, nuclear envelope begins to break down

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13
Q

prometaphase

A

spindle is fully set up

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14
Q

metaphase

A

sister chromatids are lined up

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15
Q

anaphase

A

sister chromatids are pulled apart and move to ends of cell

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16
Q

telophase

A

spindle disappears, nuclear envelope reforms

17
Q

cytokinesis

A

subdivision of the cytoplasm into two cells

18
Q

cleavage furrow

A

pinches the cell in 2 and requires a contractile ring of underlying microfilaments and myosin

19
Q

contractile ring

A

made of microfilaments and myosin

20
Q

cell plate

A

in plant cells, vesicles fusing in the middle of the cell

21
Q

G1

A

period between M and S phases

22
Q

G2

A

period between S and M phases

23
Q

M phase

A

mitosis

24
Q

S phase

A

DNA replication/synthesis

25
Q

cell cycle

A

S -> G2 -> M -> G1

Bio 151 (26 decks)

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