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I am confused about the difference between a concrete noun and an abstract noun?

A concrete noun refers to something that we can see, touch, smell, taste or quantify. In this sense concrete nouns are normally objects, or the name of something or someone. An example of a concrete noun is ...
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Answered by Owen R. • English tutor
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What does Stuart Hall mean by 'readings'?

In his essay Encoding and decoding , Stuart Hall explains that audiences are active , contrary to previous media effect's theories. This means that audiences actively engage with media texts, and 'read' and ...
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Is there a way of preparing for the HAT?

Yes and no! Firstly, the new HAT test came into effect into 2018, and consists of one unseen source-based question. The idea is that it can't be prepared for, and in terms of learning facts or content, this ...
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Answered by Matilda H. • HAT tutor
3582 Views

How are action potentials transmitted across synapses using neurotransmitters such as acetylecholine?

Action potential causes depolarisation of the pre-synaptic membrane. Opens voltage gated Ca 2+ and Ca 2+ floods in to the pre-synaptic knob. Ca 2+ binds vesicles containing acetylcholine to microtubules. The...
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Answered by Quinn H. • Biology tutor
2883 Views

Where are the Alpha and Beta cells of the Pancreas located and what are their functions in relation to blood glucose homeostasis?

Alpha and Beta cells are the two key cells used in blood glucose regulation in the body.Location = Islets of Langerhans (which are groups of cells located predominantly inside the tail of the pancreas)Beta c...
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Answered by Josh B. • Biology tutor
3789 Views