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Outline the similarities and differences between the social and biological areas of psychology.

Similarities - Both areas use the scientific methodology to measure behaviour, by manipulating the independent variable to measure the effects it has on the dependent variable. In addition, experiments in bo...
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Answered by Phoebe A. • Psychology tutor
33056 Views

What are enzymes and how do they work?

Enzymes are small proteins found in living organisms. They are described as biological catalysts, meaning they speed up reactions and remain unchanged at the end, ready to do the same again. They are vital f...
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Answered by Isabel M. • Biology tutor
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How do you show some quadratic polynomials are always greater than 0?

Usually, there are two ways to solve this kind of problems. You could re-arrange the polynomial, make it become a square plus a constant, then the polynomial is greater or equal to the constant since a squar...
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Answered by Luke W. • Maths tutor
6967 Views

What is a mole?

A mole is a measure of quantity, such that when you have a mole of something, you have 6.02 x 10 23 atoms/molecules of it. The number of atoms/molecules in a mole is called "Avogadro's Number" and ...
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Answered by Amy F. • Chemistry tutor
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Why do organs need to be 'matched'?

The antigens present on the cell surface membranes of organs are different from person to person due to genetic variation (leading to protein tertiary structure variation - remember antigens are proteins and...
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Answered by Frances E. • Biology tutor
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