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Biology > Cell Cycle > Flashcards

Cell Cycle Flashcards

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1
Q

What are the four stages of Mitosis?

A

Prophase, Metaphase, Anaphase, Telophase

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2
Q

What stage in the cell cycle does cell division occur?

A

M

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3
Q

What stage in the cell cycle does cell growth occur in?

A

G1 & G2

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4
Q

What stage in the cell cycle does DNA replication occur in?

A

S

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5
Q

What stage is the preparation for Mitosis?

A

G2

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6
Q

What happens during Prophase?

A

The chromatids are condensing to become visible

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7
Q

What happens during Metaphase?

A

The chromosomes move towards the equator (middle) of the cell and spindle fibers link the chromatids of each chromosome to opposite poles

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8
Q

What happens during Anaphase?

A

The chromosomes are pulled apart to the opposite poles by spindle fibers

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9
Q

What happens during Telophase?

A

2 new nuclei form

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10
Q

What are the stages of interphase?

A

G1, S, & G2

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11
Q

What is the last part of cell division that is not classified as part of Mitosis?

A

Cytokinesis

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12
Q

What is the order of the stages of mitosis?

A

Prophase (P), Metaphase (M), Anaphase (A), Telophase (T) - PMAT

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13
Q

What is the only stage of mitosis that has 2 steps?

A

Telophase

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14
Q

What does it mean that cancer cells are uncontrollable?

A

The cell repeats the cell cycle without controlling mechanisms

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15
Q

How much DNA exists in the nucleus after the G2 phase?

A

The same amount of DNA that is at the end of S phase

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16
Q

DNA is called chromatin in this phase?

A

Interphase

17
Q

During what phase of the cell cycle is DNA replicated?

A

S

18
Q

What is the longest stage of the cell cycle?

A

Interphase

19
Q

In mitosis the two resulting cells are….

A

identical to the starting cell and identical to each other

20
Q

Why do human skin cells go through mitosis constantly?

A

To replace dead or damaged skin cells

21
Q

What does the starting cell become after it goes through mitosis (Cytokinesis inculded)?

A

It splits apart to create two new daughter cells

22
Q

What happens during G1 phase?

A

Cell growth

23
Q

What happens during S phase?

A

The cell replicates its DNA

24
Q

What happens during G2 phase

A

The cell grows again and prepares for mitosis

25
Q

During what phase is DNA called chromatin?

A

Interphase

26
Q

How many chromosomes do humans have?

A

46

27
Q

Where do the spindle connect onto chromosomes to pull them apart during metaphase?

A

Centromeres

28
Q

What happens during the G0 phase?

A

The cell rests instead of going through the cell cycle again

29
Q

What happens to DNA during S

A

It is duplicated

Biology (9 decks)

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