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The light-dependent reaction is the first stage of photosynthesis (the second stage is the light-independent reaction), and it takes place within the thylakoid membrane of the chloroplasts. Firstly, light...
Action potential arrives down the first neurone. The action potential is a changing potential as a result of ion channels opening along the walls of the neurone, with Na+ moving in down the electrochemica...
In the blood, the enzyme carbonic anhydrase allows water and CO2 to combine to form hydrogen carbonate ions and hydrogen ions. In the presence of many hydrogen ions, oxygen has a weaker affinity for haemo...
Inspiration:-Diaphragm muscles contract, pulling the diaphragm downwards-External intercostal muscles contract pulling ribs upwards and outwards-Thoracic cavity increases in volume, causi...
B-lymphocytes are involved in the humoral response and produce antibodies specific to the antigen. The antibodies bind to antigens and causes the virus to clump together/agglutina...
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