Topic 2 – Cells and Control
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17 Terms
Mitosis
Mitosis produces two genetically identical daughter cells
Cell Cycle
The cell cycle includes growth DNA replication and mitosis
Asexual reproduction
Asexual reproduction involves one parent and produces clones
Differentiation
Differentiation is when a cell becomes specialised
Stem cell
A stem cell can divide and differentiate into specialised cells
Embryonic stem cells
Embryonic stem cells can become any cell type
Adult stem cells
Adult stem cells can differentiate into a limited range of cells
Therapeutic Cloning
Therapeutic cloning creates genetically identical cells for treatment
CNS
The central nervous system consists of the brain and spinal cord
Sensory neuron
A sensory neuron carries impulses from receptors to the CNS
Motor neuron
A motor neuron carries impulses from the CNS to effectors
Relay neuron
A relay neuron connects sensory and motor neurons in the CNS
Effector
An effector is a muscle or gland that produces a response
Synapse
A synapse is the gap between neurons where neurotransmitters transmit signals
Reflex
A reflex is a rapid involuntary response
Hormone
A hormone is a chemical messenger transported in the blood
Note 
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