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How does ADH help control water loss in the body?

ADH (anti-diuretic hormone) is a hormone that is released by the brain. It is released if there is too much water loss via the kidneys, if this occurs, then the pituitary gland releases ADH into the bloodstr...
AC
Answered by Alvin C. • Biology tutor
10584 Views

What is a control in an experiment?

A scientific control is an experiment or observation designed to minimize the effects of variables other than the independent variable. This increases the reliability of the results, often through a comparis...
AP
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Explain the difference in function of auxins in plant shoots and roots.

Auxins are plant growth hormones found in both the roots and shoots of plants, in the shoots they promote growth whereas in the roots they inhibit it. In the shoots they cause cell elongation in the side of ...
EL
Answered by Eve L. • Biology tutor
23949 Views

Resistance to antibiotics is increasing. How can we help prevent antibiotic resistance developing? (2 marks)

1 mark up to a total of 2 from: Doctors should not over prescribe antibiotics, e.g. for viral illness such as the common cold. Patients should ensure they complete their full antibiotic prescription, even if...
HG
Answered by Harry G. • Biology tutor
2724 Views

Explain how the human circulatory system is adapted to supply oxygen to the tissues and remove waste products from tissues.

This is an example of knowledge recall question with need for further explanation. It is therefore important to be able to explain yourself concisely and in the manner that the examiners expect to gain the m...
TH
Answered by Theodore H. • Biology tutor
3683 Views