Biology review

4. one half of a duplicated chromosome
6. Substance that produces or promotes the development of cancer
8. Broad group of proteins that stimulate cell division
11. A programmed cell death
13. A process which the cell divides
16. protein that organizes chromosomes and around which DNA wraps
17. ContinuousthreadofDNAthatconsistsofnumerous gene and regulatory information
19. Process by which o�spring are produced from a single parent
20. process by which the cell cytoplasm divides
22. Cell that can divide for long periods of time while remaining undi�erentiated
23. Second phase of mitosis when spindle fiber align the chromosomes along the cell equator

1. Cancerous tumor in which cells break away and spread to other parts of the body
2. Having no dangerous effect on health
3. Common name for a class of diseases characterized by uncontrolled cell division
4. loose combination of DNA and proteins that is present during interphase
5. Third phase of mitosis during which chromatids separate and are pulled to opposite side of the cell
6. a pattern of growth,DNA replication
7. To spread by transferring a disease causing agent from the site of disease to other parts of the body
9. Process by which unspecialized cells develop into their mature form and function
10. process by which a cell divides its nucleus and contents
12. Asexual reproduction in which a cell divides into two parts
14. repeating nucleotide at the ends of DNA molecules that do not form genes
15. First phase of mitosis when chromatin condenses the nuclear envelope breaks down
18. last phase of mitosis when a complete set of identical chromosomes is positioned at each pole of the cell
21. Región of condensed chromosome that looks pinched