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What are some of the causes of unipolar depression?

In terms of biological causes of depression, family studies are used with the idea that depression runs in the family and you are more likely to develop it if a close relative has it. Gerson found that if...

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Answered by Faye S. Psychology tutor
2154 Views

In humans, cystic fibrosis is caused by a recessive allele, f. A man and a woman are both heterozygous for the cystic fibrosis allele. What is the probability that they will produce a girl who has cystic fibrosis?

The genotype for someone heterozygous for the cystic fibrosis allele would be Ff. Thus the father’s genotype (including sex chromosomes) would be FfXY and the mother’s wo...

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Answered by Yasmin M. Biology tutor
5989 Views

When will a perfectly competitive firm shut down?

To answer to this question, it is crucial that the students understand the difference between variable and fixed costs.Variable costs relate directly to the level of production and are dependent on it. Wh...

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Answered by Ilias D. Economics tutor
2483 Views

why does silicon dioxide have such a high melting/boiling point?

It has a giant lattice structure, strong covalent bonds are difficult to break etc.

KD
Answered by Kian D. Chemistry tutor
4547 Views

Explain the importance of the separation of powers. (4 marks)

In the UK system, a separation of powers is maintained between the Houses of Parliament, the legislative body, Government, the executive body; and the courts, the judiciary. This separation of powers is i...

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Answered by George N. Law tutor
4657 Views

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