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Term
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Definition
| gap one, 12 hours, normal cell operations and cell growth, only one copy of DNA, cell growing and getting ready to make DNA |
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Definition
| 6 hours, synthesis of DNA, results in duplication of chromosomes, DNA replication and making DNA |
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| gap two, 6 hours, more cytoplasmic growth and preparation for cell division, cell is grwoing and getting ready to divide into two new cells |
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-two quantities of DNA are moved to opposite sides of parent cell
-phrophase
-metaphase
-anaphase
-telophase |
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Definition
| -can finally see chromosomes, DNA coiled and condensed into 1 -two centrosomes start to move apart to poles -begin sprouting microtubles in all direction -mitotic spindle |
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Definition
| cellular strucutre that acts as an organizing center for the assembly of microtubles-duplicates |
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| microtubules activate in cell division |
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| nuclear envelope disappears completely, microtubles growing towards chromosomes attach and allign to them |
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Definition
| genetic material divides, sister chromatids pull apart (pull toward respective pole |
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Definition
| represents return of things before mitosis, newely independent chromosomes unwind and lose clearly defined shape, new nuclear membranes are forming |
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Definition
-tighteinging of cellular waistband, composed of two sets of rotein filaments working together
-filamints form ring that arrows along cellular equator
-dividing cell has hour glass shape
-one cell becomes two |
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Definition
| -indentation of cells surface during cytokinesis, results from ring contraction |
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| -mantaining--not making new cells |
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Definition
-interphase
-miotic phase
G0 |
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Term
| when mitosis and cell division used? |
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Definition
-all cell division except for egg and sperm production
-used for growth, maintence, repair |
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Definition
| part of cell where chromosomes are found during interphase |
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-units in cell into which DNA is divided and packaged
-structural unit containing part or all of oranisms genome, consists of DNA and chromatin |
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| products of genes that carry out work in the cell |
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| -two packages of DNA with the same size and function that are connected following DNA replication |
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Definition
-two pieces of DNA that are same size and contain genes encoding same function
-contain slighly different instructions to do same job
-can have different alleles |
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Definition
-one set of chromosomes
-no homologous chromosomes |
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Definition
-two sets of chromosomes
-pair of homolgous chromosomes |
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Definition
-three sets of chromosomes
-triplet homologous chromosomes |
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Term
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Definition
-phrophase
-metaphase
-anaphase
-telophase
-cytokineisis |
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