Cell Cycle Flashcards

(10 cards)

0
Q

Stages of Mitosis

A
  1. Prophase
  2. Metaphase
  3. Anaphase
  4. Telophase
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1
Q

Four Phases of Cell Cycle

-What is it?

A

Cell grows, prepares for division, and divides

  • G1: 10 hours
  • S: 9 hours
  • G2: 4 hours
  • M: 1 hour
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2
Q

Interphase

-3 stages?

A
  1. G1: cell growth
  2. S phase: DNA replication
  3. G2: preparation for mitosis
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3
Q

Spindle

A

Web structure made up of micro tubule fibers, arranged chromosomes on correct positions for cell division

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4
Q

Prophase

A

Chromatin in nucleus condenses to form pair of chromosomes. Nucleolus begins to break down. Centrioles move to opposite ends of nucleus. Nuclear membrane breaks down.

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5
Q

Metaphase

A

Spindle becomes fully developed and chromatid pairs place themselves in individual fibers and align along center of spindle. Nuclear membrane gone.

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6
Q

Anaphase

A

Chromatid pairs splits into two. Pairs travel to opposite end of spindle. The halved chromatids clef chromosomes

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7
Q

Telophase

A

Two new nuclei formed when chromosomes reach the opposite poles of cell. Nuclear membrane formed and nucleolus reappears. Chromosomes disperse in nucleus

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8
Q

Cytokinesis

A

Division of cytoplasm. Cytokinesis begins during anaphase

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9
Q
  • Cell contains ____ of ___ chromosomes

- Reproductive cells only have ___ of chromosomes

A

Two sets

23

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