Chapter 11 Flashcards

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1
Q

Cell grows more to prepare for division

A

G2

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2
Q

Cells grow and do normal function

A

G1

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3
Q

Chromatids move toward opposite poles

A

Anaphase

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4
Q

Chromosomes move to center of cell

A

Metaphase

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5
Q

Division of the cytoplasm, making two cells

A

Cytokenesis

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6
Q

DNA coils into chromosomes, spindle forms

A

Prophase

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7
Q

DNA is replicated

A

S Phase

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8
Q

Nuclear envelope re-forms, DNA relaxes

A

Telophase

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9
Q

The nucleus of a cell divides

A

Mitosis

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10
Q

Entire time between cell divisions, normal cell function

A

Interphase

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11
Q

Limits to cell size =

A

Ratio of surface area to volume

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12
Q

Why? (Ratio of surface area to volume)

A

Transport of nutrients and wastes
Plasma membrane strength
Info spread from DNA

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13
Q

Mitosis

A

Division of nucleus

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14
Q

After mitosis and cytokinesis…

A

Each new cell will have an exact copy of the chromosomes

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15
Q

Apoptosis

A

Planned cell death

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16
Q

Spindle fibers are made of…

A

Microtubules that help with mitosis

17
Q

During interphase spindle fibers form the…

A

Cytoskeleton

18
Q

Polar fiber stretches from…

A

Centriole to centriole

19
Q

Polar fibers guides the chromosomes to the cell ends…

A

Toward the pole

20
Q

Kinetic horse fibers stretches from

A

Centriole to centromere

21
Q

Kinetochore fiber pulls the chromosomes by the center structure, the….

A

Centrosomes

22
Q

DNA/Chromosomes…

A

Contain all instructions to direct cell function

23
Q

Human DNA

A

23 pairs

24
Q

Each chromosomes can contain thousands of…

A

Genes

25
Q

Each cell has a complete set of…

A

Chromosomes for their species

26
Q

The chromosomes in your body originally come from…

A

Your mom and dad

27
Q

Difference in cytokinesis in plants and animals

A

Plants: Can’t pinch because of cell wall
Animals: Pinches until fully separated

28
Q

What do stem cells do?

A

Repair, restore, replace and regenerate