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The DNA in the parent cell is made up of two strands. We know that each daughter cell needs to contain two strands with the same information after DNA replication. There are three ways we could produce th...
Phagocytosis. Macrophage picks up signals of pathogen, extends cytoplasm around pathogen and engulfs it in a vesicle. Lysosomes diffuse towards the vesicle through the cytoplasm, fuse and the (lytic) enzy...
The phagocyte comes into contact with pathogen and phagocytic receptors detect the pathogen as 'non-self'. The phagocyte then binds to pathogen and engulfs the pathogen by the process of endocytosis. This...
Osmoregulation is the homeostatic control of the water potential of the blood. The kidneys are involved in filtering the blood and deciding which substances to reabsorb and which to excrete as waste. Tiny...
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