Mitosis & the Cell Cycle (OCR GCSE Biology A (Gateway Science Suite)): Flashcards
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How many cells does the cell cycle produce?
How many cells does the cell cycle produce?
Two identical cells
What divides during mitosis?
What divides during mitosis?
The cell's nucleus
What is interphase?
What is interphase?
Stage where cell prepares for division
What increases in number during interphase growth?
What increases in number during interphase growth?
Organelles like ribosomes and mitochondria
What forms during DNA replication in interphase?
What forms during DNA replication in interphase?
Two identical sets of chromosomes
Shape of chromosomes after DNA replication
Shape of chromosomes after DNA replication
'X' shape
Where do chromosomes line up during mitosis?
Where do chromosomes line up during mitosis?
At the equator (centre) of the cell
What are chromatids?
What are chromatids?
Two identical halves of a chromosome
Where do chromatids move during mitosis?
Where do chromatids move during mitosis?
To opposite sides of the cell
What is cytokinesis?
What is cytokinesis?
Stage where cytoplasm divides
What happens to cell membrane in cytokinesis?
What happens to cell membrane in cytokinesis?
It pinches inwards
Result of cytokinesis
Result of cytokinesis
Two genetically identical daughter cells
Role of mitosis in repair
Role of mitosis in repair
Replaces damaged or dead cells
How many parents in asexual reproduction?
How many parents in asexual reproduction?
Only one parent