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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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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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What kinds of valves are found in the human circulatory system and how do they differ?

The three main kinds of valves in the human circulatory system are atrioventricular valves , semi-lunar valves and pocket valves . Atrioventricular valves are found in the heart and separate the atria and ve...
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Answered by Elanor B. • Biology tutor
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