Cell Specialisation (AQA GCSE Biology): Flashcards
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Process by which cells become specialised
Process by which cells become specialised
Differentiation
Cells that can differentiate continuously throughout life
Cells that can differentiate continuously throughout life
Stem cells
Sperm cell function
Sperm cell function
Carry male DNA to egg for reproduction
Why sperm cells have many mitochondria
Why sperm cells have many mitochondria
To provide energy for movement
Sperm structure containing digestive enzymes to penetrate egg
Sperm structure containing digestive enzymes to penetrate egg
Acrosome
Nerve cell function
Nerve cell function
Transmit electrical signals quickly across the body
Long nerve cell structure carrying impulses over long distances
Long nerve cell structure carrying impulses over long distances
Axon
Nerve cell structures that connect to other nerve cells
Nerve cell structures that connect to other nerve cells
Dendrites
Two proteins in muscle cells for contraction
Two proteins in muscle cells for contraction
Myosin and actin
What muscle cells store for respiration
What muscle cells store for respiration
Glycogen
Process root hair cells use to absorb water
Process root hair cells use to absorb water
Osmosis
Process root hair cells use to absorb mineral ions
Process root hair cells use to absorb mineral ions
Active transport
Xylem cell function
Xylem cell function
Transport water and mineral ions from roots to shoots
Substance that strengthens xylem cell walls
Substance that strengthens xylem cell walls
Lignin
Role of companion cells in phloem
Role of companion cells in phloem
Provide energy to sieve cells using mitochondria