Cell Specialisation (OCR GCSE Biology A (Gateway Science Suite)): Flashcards
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Process where cells gain structures for specific functions
Process where cells gain structures for specific functions
Differentiation
Cells that differentiate continuously throughout life
Cells that differentiate continuously throughout life
Stem cells
Sperm cell function
Sperm cell function
Carry male's DNA to egg cell for reproduction
Sperm cell adaptation for swimming
Sperm cell adaptation for swimming
Streamlined head & long tail
Acrosome function in sperm cells
Acrosome function in sperm cells
Digestive enzymes to penetrate egg membrane
Nerve cell function
Nerve cell function
Transmit electrical signals quickly across body
Long axon purpose in nerve cells
Long axon purpose in nerve cells
Carry impulses over long distances
Muscle cell contraction proteins
Muscle cell contraction proteins
Myosin and actin
Root hair cell water absorption method
Root hair cell water absorption method
Osmosis
Root hair cell mineral ion absorption method
Root hair cell mineral ion absorption method
Active transport
Key root hair cell adaptation
Key root hair cell adaptation
Large surface area from root hairs
Xylem cell function
Xylem cell function
Transport water & minerals from roots to shoots
Lignin purpose in xylem
Lignin purpose in xylem
Strengthens walls & creates continuous tube
Phloem cell function
Phloem cell function
Transport photosynthesis products to all plant parts
Companion cell role in phloem
Companion cell role in phloem
Provide energy to sieve cells