Answer to Question 1
Once the messenger ribonucleic acid (mRNA) strand, synthesized in the transcription process, is outside the nucleus, it binds to a cytoplasmic organelle called a ribosome, on which the third step of protein synthesis occurs. Translation, the process by which amino acids are joined via peptide bonds, requires another form of RNA called transfer ribonucleic acid (tRNA). tRNA units carry amino acids to the ribosome to be assembled into a peptide chain. For translation to proceed, the ribosome moves along the mRNA strand reading its sequence. The sequence of the mRNA, in turn, instructs specific tRNAs to transfer the amino acids they are carrying to the ribosome. One by one, amino acids join together via peptide bonds to form a growing peptide chain. When translation is complete, the newly formed protein separates from the ribosome.
Answer to Question 2
C