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struture of mRNA and tRNA

Asked by pwincesh | Jan 1, 2008 | AS Level > Biology > Homework
pwincesh
pwincesh asks:

im really stuck on this question

state 2 ways in which the sturcture of at tRNA differ from the structure of messenger RNA(mRNA) molecule.

etutor answers:
tRNA is a looped chain molecule, whereas mRNA is a straight chain. tRNA has 3 bases available for pairing whereas all are available for pairing in mRNA.

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