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Problem : Label the "arms" on the following tRNA molecule:


1. Acceptor stem
2. D arm
3. Anti-codon stem
4. T arm

Problem : The secondary structure of tRNA resembles what shape? What shape does the tertiary structure resemble?

The secondary tRNA structure resembles a cloverleaf while the tertiary structure resembles an L.

Problem : Fill in the blanks. _________ is the process by which a tRNA molecule is loaded with an amino acid. It occurs in ___ steps. The first step, called _________, involves a reaction between the amino acid and a _____ molecule. In the second step, the amino acid is transferred to a tRNA molecule forming __________ tRNA.

Charging. Two. Adenylylation. ATP. Aminoacyl.