Cell Life Cycle And Mitosis Flashcards

0
Q

Mitosis

A

Cell division process that occurs in somatic cells (all but sex cells)

Nuclear division

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1
Q

Cell cycle

A

Depicts the steps in the division of a somatic cell; all changes a cell undergoes in structure and function

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2
Q

Meiosis

A

Cell division process that occurs in sex cells

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3
Q

Cytokinesis

A

Division of cytoplasm; contractile ring of microfilament proteins pinch mother cell into 2 separate cells

Cleavage furrow marks place of division

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4
Q

Haploid (N)

A

Unpaired, 1/2 chromosomes (23)

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5
Q

Diploid (2N)

A

23 pairs of chromosomes (homologous) for a total of 46

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6
Q

Interphase

A

Time between cell divisions during which cell maintains itself and carries out normal metabolic activity

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7
Q

G1 phase of interphase

A

Cell grows and produces new organelles; continue usual metabolic activity; structures for DNA replication are formed (centriole pairs)

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8
Q

G2 phase of interphase

A

Centriole replication is completed, organelle production continues, enzymes needed for cell division are synthesized

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9
Q

S phase of interphase

A

46 chromosomes replicated (synthesis)

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10
Q

Prophase

A

Genetic material condenses into chromosomes

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11
Q

Metaphase

A

Line up chromosomes along spindle

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12
Q

Anaphase

A

Pull apart sister chromatids

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13
Q

Telophase

A

Division if cytoplasm (cytokinesis), cleavage furrow forms

By completion of telophase you have two daughter cells

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