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How do induced dipole to dipole interactions (London forces) occur?

So you have a molecule which is full of electrons, and at any moment in time these electrons can move to one side of the molecule. As we know electrons are negatively charged, if they suddenly move to one pa...
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Answered by Holly M. • Chemistry tutor
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How should I revise a text for exams?

Everyone revises differently, but I found that once I had a good knowledge of the text, the most helpful thing for me was to lay my ideas out visually and do something besides just reading my notes. I would ...
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Answered by Aimee D. • English tutor
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what steps occur in the process of phagocytosis?

Firstly, a foreign pathogen will enter the body and produce chemicals that attract the phagocytes. The phagocytes will recognise this non human protein and engulf and enclose them into a vesicle to form a ph...
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Answered by Holly M. • Biology tutor
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Expand the following quadratic expression: (2x+4)(x-5)

Multiply the first terms in both brackets:2x x= 2x 2 Next multiply the first term of the first bracket and the second term of the second bracket:2x -5= -10x Multiply the second term of the first bracket with...
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Answered by Meera P. • Maths tutor
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Describe the process of transcription in detail.

Firstly, an enzyme called DNA Helicase will unwind the double stranded DNA. The RNA nucleotides complimentary base pair with the DNA template strand. Phosphodiester bonds are formed between the RNA bases by ...
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Answered by Meera P. • Biology tutor
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