Answer:
1. Nucleus: Formation of ribosomal subunits occurs in the nucleus.
2. Cytoplasm: Attachment of an amino acid to tRNA occurs in the cytoplasm.
3. Free ribosomes: Translation of the cytoplasmic protein occurs with the help of free ribosomes.
4. Chromatin: Transcription and RNA processing occurs with the help of chromatin.
5. Ribosomes: Translation of secreted protein with the help of ribosomes.