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| Advantages of Meiotic Division |
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Definition
| Variation, mixed genetic information |
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| Spindle fibers start splitting chromosomes apart |
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| Homologues split, creating 1n cells |
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| Chromosomes split in half with spindle fibers |
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Definition
| Cells that will not divide in the wrong place allowing lumen to form (think bowels) |
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| Yeast mitosis (makes mini clones of itself) |
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Definition
| The middle part of chromosomes |
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Definition
| Centrioles- Manages mitosis, disassembles nucleus. |
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| The strands of information that form chromosomes |
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| Arms swap. Anaphase I of meiosis |
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Definition
| Only used for mitosis. Bind to activate kinase (Cdks) Cells divide at certain cyclin levels |
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Definition
| The absolute last part when a cell splits. |
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Term
| Density Dependant Inhibition |
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Definition
| Intermediate filaments; pressure/tension related |
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Definition
| 2n, 2 sizes of each chromosome |
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Term
| Disadvantages of Meiotic Division |
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Definition
| Greater chance of error. Longer |
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Definition
| Density Dependent Inhibition, Nutrient Depletion, Growth Factors and Anchorage Dependence |
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Definition
| How bacteria/unicellular protists divide |
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Definition
| Cells are *WORKING* Interphase phase. No replication. Cells spend most time here (See Interphase) |
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Term
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Definition
| Right before S phase. First growth phase. Determines if cell will divide or not |
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Term
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Definition
| Will go into the M (mitosis) Phase. Checkpoint here will check DNA replication and potentially destroy the cell |
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Definition
| Piese f DNA that codes for one gene |
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Definition
| Chemical signals calling for division. EX PDGF; released by ruptured platelets. Uses receptor proteins |
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Definition
| 1n, 1 size of each chromosome |
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Term
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Definition
Men are homo- Women are hetero-
XY XX |
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Term
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Definition
| Pair of chromosomes carrying genes |
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Term
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Definition
| Cyclin Levels, Kinases (Cdks), MPF |
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Definition
| Cells are *WORKING* G0 phase. No replication. Cells spend most time here (See G0) |
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Definition
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Definition
| Extra phosphate for cell action/ATP production |
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Definition
| Supplies ATP for cell action |
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Definition
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Term
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Definition
| Reduction of number of chromosomes |
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Definition
| Sister chromatids divided; 4 homologues result |
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Definition
| Chromosomes line up in the middle |
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Definition
| Homologues line up in the equator |
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Definition
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Definition
| Cell Division. Used for growth and repair. Asexual copying. |
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Definition
| chromosomes fail to separate in anaphase I; leads to Downs Syndrome |
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Term
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Definition
| Lack of stuff needed to divide. MUST CONSUME VITAMINS |
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Definition
| 3 polar bodies; one ova. Creation of eggs |
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Definition
| 1n cell develops into a haploid adult |
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Definition
| Chromosomes are formed from chromatin |
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Definition
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| Reference to any cell checkpoint |
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Definition
| Copies DNA. Right after G1 |
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Definition
| final pair of chromosomes (made in gonads) |
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| 4 haploid cells, creation of sperm |
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| Tetrad Formation- pairing of chromosomes |
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| cytokinesis/nuclear regeneration resulting in 4 haploid cells |
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| Synapsis- Pairing of chromosomes |
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| Plants reproducing without seeds |
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Definition
Repair damage
Reproduction
Need to live |
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