08. Cell division Flashcards

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1
Q

What are the 2 phases of cell division?

A

Interphase and M-Phase

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2
Q

List the stages of interphase

A

G1, S, G2 Stages

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3
Q

Explain what happens in the G1 stage.

A
  • Cell grows in size
  • Create proteins and organelles needed for DNA synthesis
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4
Q

Explain what happens in the S stage.

A
  • Synthesis (replication) of its DNA
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5
Q

Explain what happens in the G2 stage.

A
  • Preparing/rearranging the cell for mitosis
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6
Q

List the main stages in the M-Phase.

A
  • Mitosis
  • Cytokinesis
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7
Q

List (in order) the stages of Mitosis.

A
  • Prophase
  • Metaphase
  • Anaphase
  • Telophase
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8
Q

Explain the process of Prophase

A

2 copies of DNA wind up tightly into chromosomes.

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9
Q

Explain the process of Metaphase

A

Chromosomes line up along the equator of the cell.

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10
Q

Explain the process of Anaphase

A

Chromosomes are pulled apart.

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11
Q

Explain the process of telophase

A
  • Chromosomes move to opposite ends (poles) of the cell.
  • Nucellar membrane forms in the centre of the cell.
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12
Q

Explain the process of Cytokinesis

A

The psychical separation of the cytoplasm of a cell.

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13
Q

What is created once a cell divides?

A

2 daughter cells

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14
Q

3 Requirements for cell division

A

A cell must:
- Synthesis 2 sets of DNA
- Grow in size
- Psychically seperate

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