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When impulse arrives at pre-synaptic terminal, the depolarisation opens the voltage-gated Ca2+ ion channels. This causes Ca2+ to enter synapse due to differences in concentration. This causes the vesicles...
The membrane of the phagocyte surrounds the pathogen and engulfs the pathogen. Enzymes inside the phagocyte break down the pathogen and destroy it. Pathogen proteins can then be presented on the surface o...
Monoclonal antibodies are antibodies that are produced by identical immune cell clones that only target one specific antigen. Monoclonal antibodies are produced after the target antigen i...
Transcription - involves making mRNA from DNA. It happens inside the nucleusTranslation - using the mRNA as a set of instructions to make a polypeptide. Happens at the ribosome. More in depth ...
Pressure is related to volume, and a larger volume means a lower pressure. The pressure in the atria is low initially as it is relaxed (diastole). Blood flows from high to low pressure, and this means tha...
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