Top answers

What is the best way to revise for essay based subjects?

While revision is subjective, with successful methods depending on the individual, essay based subjects are widely considered difficult to revise for. Especially during stressful times like exam season. I of...
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Answered by Maxime O. • History tutor
10990 Views

How does meiosis cause variation?

Independent segregation of chromosomes. Crossing over of chromosomes (genetic recombination)
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Answered by Ifsa A. • Biology tutor
6242 Views

What is the difference between a nerve synapse and a neuromuscular junction?

The presynaptic part of both junctions are both almost identical, although different neurotransmitters can be used depending on location and function. Acetylcholine is usually found in neuromuscular junction...
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Answered by Annabel L. • Biology tutor
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Describe the processes which occur that allow synaptic transmission

The action potential arrives at the axon terminal 2) Voltage-gated Ca2+ channels open 3) Ca2+ enters the presynaptic neurone 4) Ca2+ signals to neurotransmitter vesicles 5) Vesicles move to the membrane and ...
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Answered by Elissa H. • Biology tutor
4275 Views

How do I use the discriminant in circle geometry?

Where does the discriminant come from? It is from the quadratic formula. It is the part under the square root sign, in other words it can't be negative or there are no real solutions to your quadratic equati...
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Answered by Jonathan S. • Maths tutor
12416 Views