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Biology
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examiners can ask us to design an experiment in order to explore an aspect of ecology. How would I go about doing this?

  1. Name the exact type of equipment used i.e. belt or line transect; frame, open or point quadrat. The answer to this will relate to the aims of the study. Trancsects are useful for studying change...

MF
Answered by Matthew F. Biology tutor
2502 Views

What are the possible effects of complete kidney failure on the blood?

Increase in blood concentration of: urea and electrolytes high blood pressure and fluid overload Decrease in blood cells and large proteins due to indiscriminate loss.

AW
Answered by Alice W. Biology tutor
2839 Views

Describe the structure of DNA and its importance.

DNA stands for deoxyribose nucleic acid, and essentially carries the genetic instructions for functioning, development, and reproduction. It is stored in the nucleus, within chromosomes which are thread-l...

KK
Answered by Keshana K. Biology tutor
14135 Views

What was the process of the Meelson and Stahl experiment in proving the process of DNA replication?

  • The double helix structure of DNA was already proven by X-Ray diffraction, but the process of replication was still unknown

  • There were 3 possible mechanisms: conservative, semi...

AJ
Answered by Aran J. Biology tutor
2728 Views

Explain how atherosclerosis develops and how it leads to coronary heart disease (8)

-Atherosclerosis: hardening of blood vessels (specifically those that withstand high blood pressure, ie arteries.)

  • Blood vessels are composed of three layers: the tunica intima, tunic...
IM
Answered by Iliana M. Biology tutor
4077 Views

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