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A good starting point in this question is identifying what is meant by the ‘tertiary structure’ of a protein, which is the folding of the protein into its 3D structure/shape . Relate this ten to maltase – an...

This question is one of the core questions in biology that many thousands of biologists are trying to answer. Although we have made huge progress since DNA was discovered there is still a lot that isn't know...

Looking at a cholinergic synapse:The action potential arrives at the presynaptic knob. This causes voltage-gated calcium ion channels to open, and calcium ions to diffuse into the presynaptic knob.The influx...

The arrival of an action potential at the end of the presynaptic neurone causes Ca 2+ protein channels to open Ca 2+ ions diffuse into the synaptic knob by facilitated diffusionCa 2+ ions cause synaptic vesi...

If blood vessels are damaged, such as by a cut in the skin, blood clots to perform two functions. 1) to reduce or stop blood loss2) to prevent the entry of pathogens This triggers a cascade of events, result...