Specialised cells (Edexcel GCSE Biology Combined Science): Flashcards
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Specialised cells definition
Specialised cells definition
Cells with structure adapted to their function
Ciliated epithelial cells function
Ciliated epithelial cells function
Move materials in 1 direction along tissue surface
What are cilia?
What are cilia?
Tiny hair-like structures on cell surface
Where are ciliated epithelial cells located?
Where are ciliated epithelial cells located?
Lining of respiratory tract
Acrosome function in sperm cell
Acrosome function in sperm cell
Contains enzymes to penetrate egg's outer layers
Mitochondria function in sperm cell
Mitochondria function in sperm cell
Release energy for sperm to swim
Tail/flagellum function in sperm
Tail/flagellum function in sperm
Enables sperm to swim with whip-like motion
Sperm cell nucleus type
Sperm cell nucleus type
Haploid (half the number of chromosomes)
Egg cell cytoplasm function
Egg cell cytoplasm function
Contains nutrients for early embryo growth
What happens to egg cell membrane after fertilisation?
What happens to egg cell membrane after fertilisation?
Changes to prevent more sperm from entering