A-LevelBiologyNucleic acids and protein synthesis9700/12 · May/June 2012 · Q211 Mark
Which statements about tRNA structure are correct? 1 There is a binding site for the attachment of a specific amino acid, as well as a different binding site for the attachment to the ribosome, in order to allow translation to occur. 2 There is a ribose-phosphate backbone with strong covalent phosphodiester bonds and areas within the polynucleotide chain where base-pairing by hydrogen bonding occurs. 3 There is a section known as an anticodon that contains the same triplet of bases as the triplet of DNA bases that has been transcribed to produce the mRNA codon.
A1 only
B1 and 2 only
C2 and 3 only
D1, 2 and 3
✓ Correct answer
B: 1 and 2 only
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