Jorge 10th BIOLOGY 8.2 CHAPTER 8 PASSIVE TRANSPORT VOCABULARY
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each of the black spaces below before clicking
on it to display the answer.
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| CHROMOSOME | DNA in the nucleus of the cell;
contains all of the directions that a cell needs to
survive
for most of a cell’s life, chromosomes exist as
chromatin
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| CHROMATIN | chromatin:
long strands of DNA wrapped around proteins
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| CELL CYCLE | The Cell Cycle:
sequence of growth and division of a cell
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| INTERPHASE | G1 phase: cell grows
S phase: Chromosomes copy themselves and form sister chromatids (so that each new cell will have all the chromosomes the original cell had)
G2 phase: cell grows
mitosis, or cell division, occurs
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| MITOSIS | cell division that produces 2 daughter cells that are identical to the original cell
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| PROPHASE | Nuclear membrane falls apart
chromasomes condense
centrioles move to opposite sides of the cell and start to form spindle fibers
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| SISTER CHROMATIDS | daughter cells that are identical to the original cell1
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| CENTROMERE | the region of a chromosome to which the microtubules of the spindle attach, via the kinetochore, during cell division.
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| CENTRIOLE | a minute cylindrical organelle near the nucleus in animal cells, occurring in pairs and involved in the development of spindle fibers in cell division.
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| SPINDLE | slender mass of microtubules formed when a cell divides. At metaphase, the chromosomes become attached to it by their centromeres before being pulled toward its ends.
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| METAPHASE | the second stage of cell division, between prophase and anaphase, during which the chromosomes become attached to the spindle fibers.
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| TELOPHASE | Telophase:chromosomes decondense
spindle fibers break down
new nuclear membrane forms around each set of chromosomes
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| CYTOKINESIS | Cytokinesis: cytoplasm divides, forming 2 new cells
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| TISSUE | Mitosis is used to create multicellular organisms
Cell --> Tissue --> Organ --> Organ system --> Organism
Example:muscle cell --> muscle tissue --> stomach --> digestive system --> animal
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| ORGAN | multicellular organism
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| ORGAN SYSTEM | Example:muscle cell --> muscle tissue --> stomach --> digestive system --> animal
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