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Describe how a sperm cell is adapted to its role (4 marks)

The role of a sperm cell is to fertilise an egg. The head contains the nucleus, which holds the male genetic material. It has a tail for swimming to the egg. It is packed with mitochondria to supply the ener...
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Answered by Aamna W. • Biology tutor
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Describe The transmission of a nervous impulse across a neuromuscular junction.

When an action potential arrives at the pre-synaptic knob voltage-gated calcium ion channels open, allowing calcium ions to diffuse into the synaptic knob. The influx of calcium ions causes neurotransmitter ...
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Answered by Reuben A. • Biology tutor
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Explain the effects of the cult of Stalin on the Soviet Union (8 marks).

Stalin’s cult of personality emerged after extravagant 50 th birthday celebration for him after December 1929 and centred around the promotion of Stalin’s image and policies through propaganda. One effect of...
EC
Answered by Ellie C. • History tutor
6654 Views

How do I do close analysis?

The perfect place to start is by picking a small section of the text that you want to look at that you find particularly interesting, be it a paragraph of a novel or a couple of lines of a poem. Then you nee...
JP
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Explain the concept of ‘original intent’ in the judicial philosophy of the US Supreme Court.

Original intent is a concept closely linked to strict constructionism. It means that the Constitution, should not be interpreted in a proactive way, adapting rights mentioned in the document to modern times....
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Answered by Witold A. • Politics tutor
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