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Discuss the Strengths and Weaknesses of the Use of Animals for psychological Research.

A main weakness of animal studies is that animals have a different physiology to humans. This means that any studies on animals cannot be accurately related to humans, making them invalid. For example, human...
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Answered by John M. • Psychology tutor
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What is active transport? Use an example to demonstrate when active transport is used.

Active transport is a process where particles move from an area of low concentration to an area of high concentration against a concentration gradient. In order for particles to move against a concentration ...
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Answered by Nilofar S. • Biology tutor
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How do I structure a good A - level Sociology paragraph?

Use the easy to remember acronym ITEEAL - idea, theorist, example, explain, analyse and link. Let's take an example A - level Sociology families and household 10 marker , 'Outline and briefly explain two rea...
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Answered by Eva R. • Sociology tutor
6033 Views

In what useful ways can you rearrange a quadratic equation?

Factorisation: x 2 - 5x + 6 = (x - 2)(x - 3) This method is the quickest to perform if the roots are simple but does rely on a bit of trial and error. The method lets you find the roots of a quadratic equati...
Answered by • Maths tutor
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Briefly describe the steps of DNA replication and the enzymes involved.

DNA helicase breaks the hydrogen bonds that bind the two strands of the DNA double helix.Free nucleotide complementary base pairs are added to the newly exposed single strands of DNA.Binding of the free nucl...
Answered by • Biology tutor
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