(a)[3]
Complete the table to show three structural differences between DNA and RNA.
(b)[2]
Table 2.1 gives two messenger RNA (mRNA) codons. Fill in the complementary transfer RNA (tRNA) anticodons in the spaces for the mRNA codons GCG and ACA.
(c)[2]
Calculate the minimum number of DNA nucleotides needed to code for a polypeptide with 238 amino acids. Show your working.
(d)[4]
Describe the role played by tRNA in polypeptide synthesis.