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Discuss the contribution of behavioural psychologists such as Pavlov and Skinner to our understanding of human behaviour

Explanation: developed our understanding that human behaviour is (can be) learned, environmentally developed, and brought focus on to learning. Behavioural psychologists studied ob...

Answered by Gemma S. • Psychology tutor

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Describe the structure of glycogen and explain why it is a suitable molecule to store energy.

Glycogen is a polysaccharide. Polysaccharides are carbohydrates made up from a large number of monosaccharides joined together by glycosidic bonds formed in condensation reactions. Glycogen, sometimes ref...

Answered by • Biology tutor

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Factorise Completely 8x^2 + 4xy

The answer is 4x(2x+y).The point of factorising is to find the common factor of the two variables in the original equation. Once we've found the common factor (4x in this instance), we bring it to the out...

Answered by Yusef H. • Maths tutor

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Sodium atoms react with chlorine atoms to produce sodium chloride (NaCl). Describe what happens when a sodium atom reacts with a chlorine atom.

Sodium and chloride form an ionic bond. Therefore the sodium atom loses one electron from its outer shell and the chlorine atom gains one electron. As this happens, the electron is transferred from the so...

Answered by Dominic S. • Biology tutor

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When a nerve impulse arrives at a synapse, it causes the release of neurotransmitter from vesicles in the presynaptic knob. Describe how.

A nerve impulse is an electrical current that is transmitted down the axon of a neurone and to the synaptic knob. The impulse depolarises the membrane and causes a change in voltage across the membrane. T...

Answered by • Biology tutor

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