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Biology Module 3 > Mitosis > Flashcards

Mitosis Flashcards

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1
Q

What is the purpose of Cell Division

A

organisms to reproduce their own kind

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2
Q

What is cell division

A

reproduction at cellular level

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3
Q

What does cell division require to work

A

duplication of chromosomes

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4
Q

What are the uses of Cell Division

A

reproduction of single-cell organisms
growth of multicellular organisms
repair and replace cells
sperm and egg production

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5
Q

What are the two ways of cell division

A

Asexual reproduction
sexual reporduction

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6
Q

what does asexual reproduction produce

A

offspring that is identical to OG cell/organism

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7
Q

what does sexual reproduction produce

A

offspring that share similar to parents + show variation in traits

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8
Q

How to Prokaryotes reproduce

A

Binary fission

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9
Q

What are the three stages of binary fission

A
  1. duplication of chromosomes + separations of copies
  2. continued elongation of cell + movement of copies
  3. division into two daughter cells
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10
Q

Why are Eukaryotic cell division different than prokaryotic

A

more complex / larger
more genes
store most genes + chromosomes in nucleus

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11
Q

what is eukaryotic chromosomes composed of

A

chromatin

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12
Q

what is chromatin made of>

A

DNA + proteins

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13
Q

what are sister chromatids?

A

identical copies of chromosomes

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14
Q

what is a centromere

A

where sister chromatids are joined together before division

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15
Q

what are eukaryotes chromosomes look like

A

linear structure

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16
Q

what are prokaryotic chromosomes look like

A

circular structure

17
Q

true or false: number of chromosomes is species specific

A

true

18
Q

what are the two stages of the cell cycle

A

interphase
mitotic phase

19
Q

what is mitotic phase

A

division

19
Q

what is mitosis

A

division of the nucleus

19
Q

what is cytokinesis

A

division of cytoplasm

19
Q

what is interphase?

A

duplication of cell contents

19
Q

what are the stages of mitotic division

A
  1. Prophase
  2. Prometaphase
  3. Metaphase
  4. Anaphase
  5. Telophase
  6. Cytophase
19
Q

what happens during Interphase

A

(g1) growth, (S) DNA replication, (g2) growth

19
Q

what happens during prophase

A

chromatin condenses

20
Q

what happens during prometaphase

A

spindle fibers attach to centromeres

21
Q

what happens during metaphase

A

replicated chromosomes align in middle

22
Q

what happens during anaphase

A

spindle fibers pull sister chromatids apart

23
Q

what happens during telophase

A

two nuclei form

24
Q

what happens during cytokinesis

A

cell splits in two

25
Q

What effects the rate of cell division

A

growth factors
density-dependent inhibition
anchorage dependence

Biology Module 3 (4 decks)

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