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Biology
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Why does a mutation in the genetic code change the structure of a haemoglobin molecule?

The mutation alters the base sequence which therefore changes the sequence of Amino Acids coded for (the primary structure). Now the sequence of Amino Acids has been changed when bonds form and folding oc...

HM
Answered by Harry M. Biology tutor
3199 Views

What is the best method for Biology A level revision?

As an A* biology student, I believe I can help show others the best way to revise for biology and receive the grade they want. Firstly, acquire a text book that you know contains all the information from ...

OB
Answered by Orla B. Biology tutor
14895 Views

What are the differences in the structures of arteries and veins?

  1. Arteries have a much narrower lumen (the middle bit of space) and a much thicker wall. This is due to the fact that arterial walls contain more muscle and elastic fibres, than those of veins. Reason...
MC
Answered by Matilda C. Biology tutor
3507 Views

Which protein structure is broken down due to denaturalization: primary, secondary, tertiary or quaternary?

Denaturalization breaks down all the structures but the primary one. Remember that the primary one is made up of the aminoacids. If we break the peptide bond between aminoacids we're changing the protein,...

BG
Answered by Blanca G. Biology tutor
2329 Views

What are the differences between DNA and RNA?

-DNA is double stranded, while RNA is single stranded -DNA has the bases ATCG, while RNA has AUCG -DNA has the sugar base Deoxyribose, RNA has Ribose -DNA forms a double helix, RNA does not form a double ...

SK
Answered by Siddhesh K. Biology tutor
2072 Views

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