Packet 1: Tossup 13

The Class I of an aaRS enzyme that conducts a reaction in which this molecule is the nucleophile (15[1])contains a Rossmann fold (15[1])domain; that reaction is also known as the “charging” of this molecule. (15[1])A conserved sequence containing pseudouridine (-5[1])comprises the T psi (15[1])C arm (15[1])of these molecules. (15[1])Inosine (-5[1])is one compound that participates in (15[1])(*) wobble pairing (10[2])in this (10[1])molecule. (10[3]-5[4])During one process, (-5[1])this (-5[1])molecule enters the A site (-5[1])and exits uncharged (10[1]-5[1])from (-5[1])the (-5[1])E (-5[1])site. (-5[1])This cloverleaf-shaped (10[2])molecule (10[1])carries (10[1])a three base-pair (10[1])sequence (10[2]-5[1])known as an anticodon. (10[3]0[1])For 10 points, name this (10[1])form of RNA that carries (10[1])amino acids to the ribosome during translation, (10[1])unlike (10[1])mRNA. ■END■ (10[7]0[3])

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