Cell division chapter 4

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created 7 years ago by 20nmanfred
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updated 7 years ago by 20nmanfred
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ience
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1

Mitosis

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cell process in which the nucleus divides to form two nuclei identical to each other, and identical to the original nucleus, in a series of steps.

2

Cell cycle

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The life cycle of a cell.

3

Interphase

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The cell's chromosomes duplicate. The nucleolus is clearly visible in the nucleus

4

Prophase

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The chromatid pairs are now visible and the spindle is beginning to form

5

Metaphase

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Chromatids pairs are lined up in the center of the cell

6

Anaphase

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The chromatids separate

7

Telophase

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In the final step, the cytoplasm is beginning to separate.

8

Chromosomes

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Structure in a cell's nucleus that contains hereditary material

9

Asexual reproduction

A type of reproduction -- budding, and regeneration-- in which a new organism is produced from one organism and has DNA identical to the parent organism

10

Sexual reproduction

A type of of reproduction in reproduction in which two sex cells, usally an egg and a sperm, join to from a zygote, which will develop into a new organism with a new unique identity.

11

Sperm

Haploid sex cell formed in the male reproductive organs.

12

Egg

Haploid sex cells formed In the female reproductive organs.

13

Fertilization

In sexual reproduction, the joining of a sperm and egg.

14

Zygote

New diploid cell formed when a sperm fertilizes an egg, will divide by mitosis and develop into a new organism.

15

Diploid

Cell whose similar chromosomes occur in pairs

16

Haploid

Cells that has the number of chrosomes as body cells.

17

Meiosis

Reproductive process that produces four haploid.

18

DNA

(Deoxyribonucleic acid) genetic material.

19

Gene

Make up our DNA( section of chromosomes that makes proteins)

20

RNA

Ribonucleic acid (carries codes from nucleus to ribosomes to make protein.

21

Mutation

A permanent change of gene or chromosomes