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There are four DNA nucleotides: Adenine, Cytosine, Thymine and Guanine. They are each made up of a nitrogenous base, deoxyribose sugar, and a phosphate group, and the four nucleotides differ in the struct...

A current account deficit arises when import expenditure exceeds export revenue. An increase in labour productivity implies that there is an increase in efficiency in production and also a rise in output ...

An exam answer that "explains" a passage or poem will be a less thoughtful response; if you're explaining a text, you're giving an overview of what happens (&qu...

Automatic stabilizers are a form of autonomous adjustment that the economy does in booms and recessions. To understand automatic stabilizers we need to first know how fiscal policy works and know what a b...

That technique for calculating derivatives only works for polynomial terms, that is terms of the form x^n, where n is some number. Here though our variable x is in the exponent, and so th...