Term
|
Definition
| the reproduction of cells |
|
|
Term
|
Definition
| the life of a cell from its formation to its own division |
|
|
Term
|
Definition
| packed with DNA molecules in a cell |
|
|
Term
|
Definition
| complex of DNA and protein that condenses during cell division in a eukaryotic cell |
|
|
Term
|
Definition
| non reproductive--have two sets of chromosomes |
|
|
Term
|
Definition
| reproductive cells(sperm and eggs) have half as many chromosomes as somatic cells |
|
|
Term
|
Definition
| joined copies of the original chromosome wich seperate during cell division |
|
|
Term
|
Definition
| the narrow waist of a duplicated chromosome |
|
|
Term
|
Definition
| the division of the genetic material in the nucleus |
|
|
Term
|
Definition
| the divison of the cytoplasm |
|
|
Term
|
Definition
| yields nonidentical daughter cells that have only one set of chromosomes half as many as the parent cell |
|
|
Term
|
Definition
|
|
Term
|
Definition
| cell growth and copying of chromosomes in preperation for cell division |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
| Mitosis divided into 5 phases |
|
Definition
| prophase, prometaphase, metaphase, anaphase, telophase |
|
|
Term
|
Definition
| a structure made of microtubles that controls chromosome movement during mitosis |
|
|
Term
|
Definition
| the microtuble organizing center |
|
|
Term
|
Definition
| a radial array of short microtubles |
|
|
Term
|
Definition
| protein complexes associated with centromeres |
|
|
Term
|
Definition
| an imaginary structure at the midway point between the spindles two poles |
|
|
Term
|
Definition
| the process by wich cytokinesis occurs |
|
|
Term
|
Definition
| formed during cytokinesis in plant cells |
|
|
Term
|
Definition
| the reproduction of prokaryotes |
|
|
Term
|
Definition
| the beginging of cell division in binary fission |
|
|
Term
| cell cycle control system |
|
Definition
| the direction of the cell cycle that is regulated by both internal and external controls |
|
|
Term
|
Definition
| where the cell cycle stops until a go-ahead signal is received |
|
|
Term
|
Definition
| when the cell does not receive the go-ahead signal it xits the cycle and switches to a nondividing state |
|
|
Term
|
Definition
|
|
Term
|
Definition
| a type of regulatory protein in cell cycle control |
|
|
Term
| MPF (maturation-promoting factor) |
|
Definition
| a cyclin-CDK complex that triggers a cells oassage past the G2 checkpoint into the M phase |
|
|
Term
|
Definition
| proteins released by other cells that stimulate other cells to divide |
|
|
Term
| density-dependant inhibition |
|
Definition
| in wich crowded cells stop dividing |
|
|
Term
|
Definition
| most animals cells must be attached to a substratum in order to divide |
|
|
Term
|
Definition
| the process in wich a normal cell is converted to a cancerous cell |
|
|
Term
|
Definition
| if abnormal cells remain at the original site and forms a lump |
|
|
Term
|
Definition
| invade surrounding tisssues and can metastasize where they may form additional tumors |
|
|
Term
|
Definition
| exporting cancer cells to other parts of the body |
|
|
