Cell Cycle - including Mitosis Flashcards

Learning Target #2

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1
Q

Name 3 reasons why cells must divide

A

* Reproduction * Repair * Growth

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2
Q

Name the Stage/Phase of the following diagram;

A

Prophase

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3
Q

What event(s) occur during prophase?

A

* DNA condenses & thickens to form Chromosomes (coiled DNA) * Nuclear membrane dissolves

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4
Q

What is diffusion?

A

Movement of particles from an area of high concentration to low concentration.

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5
Q

Name the stage/phase of the following;

A

Interphase

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6
Q

What are the 3 stages of the cell cycle in order?

A
  1. Interphase 2. Mitosis 3. Cytokinesis
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7
Q

What event(s) occur during metaphase?

A

Chromosomes meet in middle of cell

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8
Q

What event(s) occur during telophase?

A

* Chromosomes stretch out (uncoils) and become invisible * 2 nuclear membranes reform around each DNA set

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9
Q

What event(s) occur during anaphase?

A

Sister chromatids separate and get pulled to to opposite sides of cell by spindle fibers

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10
Q

In what phase of the cell cycle does a cell spend most of it’s life?

A

Interphase

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11
Q

What event(s) occur during cytokinesis.

A

The cell cytoplasm and organelles are separated. Pinched apart in animal cells or cell plate forming in plant cells.

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12
Q

Name the stage/phase of the following;

A

Cytokinesis

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13
Q

Name the stage/phase of the following;

A

Anaphase

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14
Q

Name the mitosis phase of the following;

A

Telophase

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15
Q

Name the Stage/Phase of the following diagram;

A

Metaphase

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16
Q

What event(s) occur during interphase?

A

* Cells perform normal life functions of cell * Cell grows in size & organelles are duplicated * DNA is replicated

17
Q

What are the 4 phases of mitosis in order?

A

Prophase, Metaphase, Anaphase, Telophase

18
Q

What structure holds together sister chromatids?

A

Centromeres

19
Q

What structure moves chromosomes around the cell and then pulls sister chromatids apart?

A

Spindle fibers (from a centriole)

20
Q

What are chromosomes?

A

Coiled pieces of DNA