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Explain the difference between Type 1 and Type 2 diabetes?

Type 1 diabetes has an early onset and is linked with genetic factors. Type 2 diabetes can develop later on in life and is linked with lifestyle facts such as diet and exercise.

Answered by Havishma S. Biology tutor
2286 Views

Explain the process of DNA Replication

DNA replication is semi-conservative; new DNA molecule is composed of 1 old strand of DNA and 1 new strand .Many enzymes are involved in this process. The action of these can be combined into a 7 step pro...

Answered by Barbora H. Biology tutor
1372 Views

What are the key stages in phagocytosis?

First, the phagocyte (a specialised type of white blood cell) will recognise the pathogen by a process called chemoattraction -- this is essentially where the phagocyte 'follows' a chemic...

Answered by Biology tutor
2106 Views

Why would a deletion mutation in the DNA base sequence lead to the production of a non-functional enzyme?

Because the deletion mutation would cause a frame shift in the DNA base sequence and hence would lead to the formation of new base triplets. As a result, the primary structure of the enzyme would be diffe...

Answered by Aoife M. Biology tutor
3286 Views

Describe the process of osmosis in cells.

Water molecules move down their concentration gradient, across the partially permeable cell membrane, from a high concentration to a low concentration. Osmosis continues until the concentration of water m...

Answered by Aoife M. Biology tutor
5648 Views

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