Cell Differentiation (OCR GCSE Biology A (Gateway Science Suite)): Flashcards
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What process do stem cells undergo to become specialised?
What process do stem cells undergo to become specialised?
Differentiation
What does differentiation involve at the gene level?
What does differentiation involve at the gene level?
Switching some genes on or off
Why are genes switched on/off during differentiation?
Why are genes switched on/off during differentiation?
To produce different proteins
When do most animal cells differentiate?
When do most animal cells differentiate?
At an early stage
What do animal cells lose after early differentiation?
What do animal cells lose after early differentiation?
The ability to differentiate
What process do specialised cells use to replicate?
What process do specialised cells use to replicate?
Mitosis
Why can't red blood cells divide?
Why can't red blood cells divide?
They lose their nucleus
What type of cells replace red blood cells?
What type of cells replace red blood cells?
Adult stem cells
What is the purpose of cell division in mature animals?
What is the purpose of cell division in mature animals?
Repair or replace damaged cells
When do plant cells retain the ability to differentiate?
When do plant cells retain the ability to differentiate?
Throughout their life
When do plant cells differentiate?
When do plant cells differentiate?
Once they reach their final position
What can plant cells do if moved to a new position?
What can plant cells do if moved to a new position?
Re-differentiate