CELL CYCLE Flashcards

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1
Q

What is the purpose of Cell Cycle?

A

DNA Replication
Cell Growth
Cell Division

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2
Q

Major parts of cell cycle?

A
  1. Interphase

2. M or mitotic phase

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3
Q

is the time which the cell is preparing for division by undergoing both cell growth and DNA replication.

A

Interphase

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4
Q

represents the phase when the actual cell division or mitosis happened

A

M phase

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5
Q

the cell is metabolically active and continuously grows but does not replicate its DNA.

A

G1 (Gap 1) Phase

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6
Q

Define S (Synthesis) Phase

A

DNA synthesize or replication takes place. During this time, the amount of DNA doubles.

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7
Q

proteins are synthesized in preparation for mitosis while cell growth continues

A

G2 (Gap 2) Phase

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8
Q

division of the cell’s nucleus

A

Karyokinesis

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9
Q

division of the cell’s cytoplasm

A

Cytokinesis

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10
Q

What are the different CELL CYCLE CONTROL SYSTEM

A

G1 checkpoint

  1. G2 checkpoint
  2. M checkpoint
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11
Q

ensures that the cell is large enough to divide and that enough nutrients are available to support the resulting daughter cells.

A

G1 Checkpoint

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12
Q

Ensures that DNA replication in S phase has been successfully completed.

A

G2 Checkpoint

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13
Q

Ensures that all of the chromosomes are attached to the mitotic spindle by a kinetochore.

A

Metaphase Checkpoint

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14
Q

separate mitosis from S phase. This is the time when molecular signals mediate the switch in cellular activity.

A

gap phases

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15
Q

Ensure that DNA replication and mitosis occur only when conditions are favorable and the process is working correctly

A

Cell cycle checkpoints

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16
Q

can lead to unregulated growth, resulting in tumor formation and ultimately invasion of cancerous cells to other organs

A

Mutations