Question

25 the actual site of protein synthesis is the a chloroplast b ribosome c nucleus d mitochondria

Explanation:

• Chloroplasts are involved in photosynthesis, not protein synthesis.
• Ribosomes are the sites where amino acids are assembled into proteins based on mRNA instructions.
• The nucleus contains DNA and is involved in transcription (making mRNA), but not the actual synthesis of proteins.
• Mitochondria are the power - houses of the cell, generating ATP, not directly involved in protein synthesis.

Answer:

B. Ribosome