Cell Cycle Flashcards

1
Q

Normal metabolism and growth

A

G1 phase

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2
Q

DNA is copied

A

S (synthesis) phase

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3
Q

Normal function and preparation for cell division. Mitochondria, centrioles, and other organelles replicate

A

G2 phase

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4
Q

Division of the nucleus into two identical daughter cells. The two copies of DNA and cytoplasm are distributed to each daughter cell

A

M phase

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5
Q

Chromosomes of relatively same size and shape

A

homologous chromosomes

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6
Q

Segment of DNA encoding for specific cell instructions such as protein production

A

gene

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7
Q

Loosely wound form of DNA. Typically evident before M phase

A

chromatin

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8
Q

Chromosomes are long, loosely coiled, threadlike strands of DNA and protein

A

interphase

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9
Q

Chromosomes are not visible, except as chromatin granules

A

interphase

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10
Q

The nuclear membrane appears normal

A

interphase

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11
Q

DNA replication occurs

A

interphase

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12
Q

Centrioles replicate and begin to move apart toward end of the phase

A

interphase

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13
Q

Daughter centrioles move towards opposite ends of the nucleus

A

prophase

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14
Q

The nuclear membrane disappears

A

prophase

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15
Q

Nucleoli disappear

A

prophase

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16
Q

Chromosomes become more visible as they become compact and tightly coiled

A

prophase

17
Q

Two separate strands of DNA joined at a single point called the centromere

A

chromatids

18
Q

The mitotic spindle is formed by proteins from the cytoplasm that organize into many fiber-like threads

A

prophase

19
Q

Centriole migration and spindle formation is complete

A

metaphase

20
Q

Chromosomes align at the exact equator of the spindle

A

metaphase

21
Q

A spindle fiber originating from each spindle is attached to the centromere of each chromosome

A

metaphase

22
Q

Chromosomes split apart at the centromere, separating sister chromatids

A

anaphase

23
Q

The separate chromatids are now considered daughter chromosomes

A

anaphase

24
Q

Daughter chromosomes move gradually toward opposite poles of each spindle

A

anaphase

25
Q

The groups of daughter chromosomes are congregated at opposite poles of the spindle

A

anaphase

26
Q

Cytokinesis has begun

A

anaphase

27
Q

Cytokinesis becomes obvious, continues gradually to completion

A

telophase

28
Q

Chromosomes become gradually less distinct as the uncoil back into chromatin

A

telophase

29
Q

Spindle fibers disappear

A

telophase

30
Q

Nucleoli reappear

A

telophase

31
Q

Nuclear membrane reappears

A

telophase

32
Q

The end point is two daughter cells, each in interphase

A

telophase