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Introduction- Ethical statements are not simply expressions of emotion. Although the non-cognitive branch of meta-ethics emotivism claims ethical statements are only expressions of emotion due to no evide...

a stimulus depolarises the membrane potential above the threshold level e.g. -40 mvthis causes voltage gated Na+ ion channels to open- resulting in an influx of Na+ into the cellthis depolarises the membr...

the phagocyte recognises the antigen on the pathogen surface as foreignThe phagocyte cytoplasm moves around the pathogen, and the membranes fuse, forming a phagosomeLysosomes containing lysozymes fuse wit...

In computer networking, in order for two end devices to communicate in some way, we need rules. These rules are called network protocols. Network protocols are predefined set of rules for effective commun...

Can be solved in 3 ways:
Substitution - can rearrange equation 2 to for x = 2y-5. Then substitute this in to equation 1 to form, 3(2y-5)+2y = 9. Multiply out the brackets and rearrange to form 8y = 2...