1-Which one of the following is true of tRNA molecules? Select
all that apply.
Group of answer choices
The anticodon arm of tRNA contains a three nucleotide sequence
that is identical to a specific mRNA codon.
tRNA molecules contain the unusual nucleotides dihydrouridine,
pseudouridine, and ribothymine.
tRNA molecules form their 3D structures due to covalent
bonding.
The 3' terminal nucleotide of tRNA is the site of amino acid
attachment.
tRNA molecules are single stranded RNA.
2-The genetic code is degenerate...