Molecular Biology: Translation

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

Figure

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

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.