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Biology 1 > Biology Unit 4 > Flashcards

Biology Unit 4 Flashcards

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1
Q

process by which a cell divides to form
two new cells

A

Cell Division

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2
Q

divides forming two new identical cells

A

Prokaryotes

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3
Q

Process that divides cell nucleus to produce two
new nuclei each with a complete set of
chromosomes

A

Mitosis

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4
Q

formation of sex cells

A

meiosis

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5
Q

If cells grow without a limit

A

DNA overload

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6
Q

Food and oxygen have to cross membrane very
quickly and Waste must get out

A

exchange of materials

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7
Q

DNA is copied, resulting in 2 identical chromosomes

A

DNA Replication

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8
Q

2 chromosomes separate, move towards ends (poles) of cell

A

Chromosome Segregation

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9
Q

cytoplasm divides, forming 2 cells

A

Cytokinesis

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10
Q

period of growth and DNA replication between
cell divisions

A

interphase

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11
Q

cells increase in size

A

G1 Phase

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12
Q

replication of chromosomes

A

S Phase

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13
Q

organelles double, new cytoplasm forms ,All other structures needed for mitosis form

A

G2 phase

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14
Q

contains cells genetic code

A

DNA

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15
Q

a matching pair in the chromosomes

A

Homologous Pair

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16
Q

Cells grow ,DNA replicated, Organelles duplicated ,Divide to form daughter cells

A

cell cycle

17
Q

Prophase, Metaphase, Anaphase, Telophase

A

Mitosis steps(PMAT)

18
Q

Cytoplasm divide, forming 2 cells

A

Cytokinesis

19
Q
  1. chromosomes visible (sister chromatids)
  2. centrioles migrate to the poles (only in animals)
  3. nuclear membrane disappears
  4. spindle forms
A

Prophase

20
Q
  1. chromosomes line up on the equator of the cell
  2. spindles attach to centromeres
A

metphase

21
Q

1.sister chromatids separate

2.centromeres divide

3.sister chromatids move to opposite poles

A

anaphase

22
Q
  1. chromosomes uncoil * now chromatin
  2. nuclear membranes reform
  3. spindle disappears
A

telophase

23
Q

division of the cytoplasm to form 2 new daughter
cells

A

cytokenesis

24
Q

Result of uncontrolled cell division of cells that
have lost ability to regulate cell cycle

A

cancer cells

Biology 1 (1 decks)

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