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Stimulus eg (thorn prick) > Sensory Neurone > Relay Neurone (In Central nervous system) > Motor Neurone > Effector muscle (eg. in arm, to move hand away)Whiteboard would be use to draw pathway...
the action potential arrives at the terminal of the axon. The arrival of the action potential will cause voltage gated calcium ions to open allowing the calcium ions to rush into the axon terminal. The ar...
1. DNA is double stranded. This means that when the strands separate during replication, both strands can be used as templates to produce two new double stranded DNA ,each containing one of the origin...
Insertion/deletion - one or more nucleotide pairs are put in/taken out of a sequence -> causes frameshift. Duplication - one or more bases are repeated -> leads to ...
The mRNA binds to a ribosome at the start codon. (1) The ribosome has a space for a tRNA molecule with a three base anticodon to bind to the complementary codon on the mRNA.(2) The tRNA brings the specifi...
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