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Why does a base substitution in DNA not always result in the formation of non-functional proteins?

Protein structure is determined by amino acid sequence. Each amino acid is coded for by a triplet of RNA bases. These are transcribed from a DNA molecule. If a DNA base is substituted for another base, then ...
AR
Answered by Abby R. • Biology tutor
4156 Views

outline the characteristics of the globalisation of culture

Culture refers to the norms, values and customs that help make 'the way of life' of a particular society. Commentators have dubbed this culture to operate on a global level. One characteristic of the globali...
YM
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Critically evaluate the role of the protagonist in Go Tell It in the Mountain

John tries to forge his own personal identity outside of his community. Described as a ‘black Bildungsroman’, Go Tell It ‘is a young protagonists struggle to invent himself’. Baldwin establishes John’s strug...
HG
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Find the equation of the straight line passing through the origin that is tangent to the curve y = ln(x).

Firstly, recognise the relevant equations. The two functions are y = mx and y = ln(x). As the straight line is a tangent, we know that at a certain point x 0 , the functions and their gradients are equal. Th...
PS
Answered by Paul S. • Maths tutor
7861 Views

What type of blood does the pulmonary artery contain?

Deoxygenated blood
KS
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