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Ionic bond- this is an electrostatic force of attraction between two oppositely charged ions, i.e. a positively charged ion and a negatively charged ion.
Covalen...
Scientists in labs use a technique called gel electrophoresis which allows them to separate a mix of DNA fragments by size.
This is used in conjunction w...
A virus is made of DNA wrapped in a coat made of protein. It is very small, typically nanometres across (one billionth of a metre).
Viruses are different from bacteria as they are smaller...
One way in which you could structure an essay would be with a diamond structure. This is when your answer begins with your point (your argument- clearly established at the beginning of the essay) progr...
We use the rule that if y = x^n then dy/dx = n*x^(n-1) which is valid whether or not n is an integer.
We also use that differentiation is a linear operation, which means that we can diff...
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