Which structure is the site of the synthesis of proteins that may be exported from the cell? free cytoplasmic ribosomes rough er golgi vesicles plasmodesmata?

Cytoplasmic ribosomes help in synthesis of ribosomes due to which known as ‘protein factory’ and Golgi packages them into vesicles.

Bmust be the answer, as technically all organs move, so a is incorrect. all organs are made of different types of cells, so that isn’t a problem, so c is also incorrect. human hearts are very similar to many other animals’ hearts, so d is also incorrect, yet the heart is made of muscle, which is hard to grow in the lab so it would be correct to say b