Flashcards
Producing New Cells
Flashcards do conjunto (12)
- 1What is Mitosis?Mitosis is when cells divide
- 2Why would a cell need to divide ?To grow or repair
- 3How many chromosomes are found in a human ?46 chromosomes
- 4Question TextAnswer Text
- 5What is the chromosome compliment ?The total number of cells in an animal
- 6What are the stages of mitosis ?1. Uncoiled chromosomes duplicate
2. The strands of DNA coil up and become chromosomes
3. The chromosome line up at the equator of the nucleus
4.The chromatically are split and pulled to the poles of the cell
5. Separated chromatids join back together and become chromosomes
6. New cell membrane forms to produce 2 daughter cells - 7What is the importance of maintaining the chromosome number during mitosis ?So the 2 daughter cells can function properly
- 8What is a stem cell?An unspecialised/undifferentiated cell ( doesn’t have a job yet )
- 9What are 2 sources of stem cellsBone marrow and embryonic tissue
- 10What I a specialised/differentiated cellA cell that has a function ( a job )
- 11How is tissue formed ?When a stem cell becomes a specialised cell and forms a tissue
- 12How is and organ formed ?When stem cells become tissue and form and organ
Informações
- Descrição
- Year 9 Biology FlashCards sobre Producing New Cells , criado por Adam Buckley em 04-12-2017.
- Criado por
- Adam Buckley
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