Eukaryotic cell: a type of cell characterized by the presence of a nucleus and membrane-bound organelles, which compartmentalize various cellular processes, allowing for complex functions within the cell.
Prokaryotic cell: a type of cell that lacks a nucleus and membrane-bound organelles, generally smaller and simpler in structure, with genetic material freely floating within the cytoplasm.
Cell membrane: a biological membrane that surrounds the cell, acting as a selective barrier that controls the movement of substances into and out of the cell, thereby maintaining the internal environment.
1. What is the consequence of the cell membrane regulating the movement of substances into and out of the cell?
2. What is an organ system?
3. What is the primary effect of vaccination on the immune system?
Cell membrane — role?
Controls substance movement in/out
Eukaryotic cell — feature?
Has a nucleus and membrane-bound organelles
Prokaryotic cell — feature?
Lacks a nucleus and membrane-bound organelles
Organ — composition?
Different tissues working together for specific function
Organ system — example?
Circulatory system: heart, blood vessels, blood
Specialised cell — purpose?
Performs a specific role with adaptations
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