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-A genetic mutation within the lactase gene, for example base substitution, changes a codon -This codon codes for a different amino acid to be transcribed and translated-Therefore the sequence of amino ac...
DNA carries the genetic information that codes for instructions in our body and other organisms. DNA is deoxyribonucleic acid. It is found in the shape of a double helix. The conclusion that DNA is in the...
Calcium is found as an ion, Ca2+ in the extracellular space of the pre-synaptic neuron. The ions enter the neuron through voltage -gated channels after the depolarisation of the pre-synaptic neuron. This ...
Competitive inhibitor molecules are a similar shape to the substrate that fits into the enzyme's active site. The competitive inhibitor competes with the substrate molecules to fit into and bind to the ac...
(1) An impulse causes calcium ions to enter the axon. (2) Vesicles fuse with the presynaptic membrane. (3) This causes the release of acetylcholine. (4) Acetylcholine diffuses across the synaptic cleft. (...
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