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Gen Biology > Mitosis > Flashcards

Mitosis Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

All cells come from pre-existing cells

A

Rudolf Virchow

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2
Q

Responsible for repairing the damage area in cells

A

Mitosis

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3
Q

Cell division of genetic material in the
nucleus

A

Mitosis

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4
Q

For growth and repair

A

Mitosis

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5
Q

Occurs in somatic/body cells

A

Mitosis

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6
Q

Mitosis produces _____ cell

A

diploid

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7
Q

Mitosis goal is to make ______ cells

A

identical

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8
Q

When cell are not dividing, their DNA exists as?

A

Chromatin

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9
Q

Holds the SC together & helps in the condensation of chromosomes

A

Cohesin

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10
Q

How do you count the chromosomes?

A

By the presence of their functional centromere

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11
Q

What happens in Late G2 of Interphase?

A

Duplication of centrosome
Uncondensed chromosome

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12
Q

PROPHASE ganaps

A

Chromatin is condensed into a chromosome

Nucleoli disappear

Nuclear envelope breaks down

Duplicated chromosome appears as identical sister chromatids joined at their centromeres all along their arms by cohesins

Mitotic spindle begins to form

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13
Q

PROMETAPHASE ganaps

A

Microtubules from the spindle interact with the condensed chromosomes

Kinetochore is formed at the centromere

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14
Q

TRUE OR FALSE?

What lies in the center during metaphase? Is it chromosomes?

A

FALSE. Their centromeres lie at the center

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15
Q

METAPHASE ganaps

A

Centromeres lie at the center

SC are arranged at the metaphase plate

Kinetochore microtubules from opposite poles are now attached to the SC

Centrosomes are now at the opposite pole of the cell

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16
Q

ANAPHASE ganaps

A

Each chromatid becomes independent chromosomes

Two new daughter chromosomes begin moving toward opposite ends of the cell as their kinetochore microtubules shorten

Cell elongates

Two ends of the cell have identical chromosome

17
Q

TELOPHASE & CYTOKINESIS ganaps

A

Daughter nuclei begin to form at the two poles

Nuclear envelope arises

Nucleoli reappears

Chromosome is less condensed

18
Q

Does Cytokinesis overlaps with telophase? YES OR NO?

A

YES

19
Q

CYTOKINESIS IN ANIMAL CELL

A

Cleavage furrow

20
Q

CYTOKINESIS IN PLANT CELL

A

Cell Plate

21
Q

Shortens a contractile ring

A

Cleavage furrow

22
Q

Fusion of vacuoles and vesicles

A

Cell plate

Gen Biology (9 decks)

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