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Explain the difference between osmosis and diffusion.

Osmosis is the movement of water molecules from an area of high concentration to an area of low concentration, through a partially permeable membrane.Diffusion is the movement of molecules from an area of...

AR
Answered by Alexander R. Biology tutor
3775 Views

What is a gene?

A gene is a small section of DNA which codes for a single protein. DNA is made up of a linear sequence of nucleic acids, which may be either A, T, C or G. Three nucleic acids make up a code for one amino ...

RA
Answered by Rosie A. Biology tutor
2678 Views

What is the difference between type 1 and type 2 diabetes?

Type 1 diabetes is an auto-immune condition. The body has developed an immune response to the cells of the pancreas that produce insulin. Therefore, insufficient to no insulin is produced...

JB
Answered by Jessica B. Biology tutor
2468 Views

How does the body control blood sugar?

The level of sugar (glucose) in the blood is monitored by the pancreas. When blood sugar is too high, the hormone insulin is produced by the pancreas and released into th...

JB
Answered by Jessica B. Biology tutor
2210 Views

Homeostasis is the maintenance of a constant internal environment i) Explain how shivering helps to regulate body temperate. ii) Explain how sweating helps to regulate body temperature (4 marks)

i) Explain how shivering helps to regulate body temperature. Shivering stops body temperature from falling when the external environment is cold (1)Shivering increases muscle contraction (1) Heat is gener...

Answered by Biology tutor
2647 Views

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