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Explain why haemoglobin in Sickle Cell Anaemia is less effective at carrying oxygen.

The mutation present in sickle cell anaemia causes a change in the primary structure of amino acids in the haemoglobin molecule. This change in primary structure changes the tertiary structure of a haemoglob...
KT
Answered by Kit T. • Biology tutor
2983 Views

Calculate: ( 2+i√(5) )( √(5)-i).

[Brief intro to question] This is a typical example of A-Levels Further maths exam question. The aim of it is to obtain a single number (it can be both - either just real with no imaginary values i or comple...
RS
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Why are people with cystic fibrosis more prone to developing lung infections?

Cystic fibrosis is a genetic condition which causes an increase in thick mucus, which can become deposited in the lungs. The condition affects the body's ability to control the salt and water which moves in ...
MK
Answered by Mahum K. • Biology tutor
3331 Views

In fruit flies, the allele (n) for a black body is recessive to the allele (N) for grey body. What would the next generation look like with two heterozygous parents.

There are certain words that need to be defined before answering the question, just to make sure that it is fully understood.Allele = a different form of a gene Heterozygous = in each fruit fly, there are tw...
DA
Answered by Dan A. • Biology tutor
6682 Views

What was the significance of the ‘stabbed in the back myth’?

The ‘stabbed-in-the-back myth’ was a crucial piece of propaganda propagated by the Nazis in order to undermine the strength and morality of the Weimar Republic. In order to fully understand its significance ...
HP
Answered by Henry P. • History tutor
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