Ribosomes are non-membrane bound organelles found in:
1. All prokaryotic cells only
2. All eukaryotic cells only
3. All somatic cells in eukaryotic organisms only
4. All cells

A non-membrane bound organelle found in all cells is:

Polysome is formed by
1. A ribosome with several subunits
2. Ribosomes attached to each other in a linear arrangement
3. Several ribosomes attached to a single mRNA
4. Many ribosomes attached to a strand of endoplasmic reticulum

Which of the following statement about inclusion bodies IS incorrect ?
1. These are involved in ingestion of food particles.
2. They lie free in the cytoplasm.
3. These represent reserve material in cytoplasm.
4. They are not bound by any membrane.

The largest structures passed through the nuclear pores are: