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:
1. | Centriole | 2. | Lysosome |
3. | Vacuole | 4. | Ribosome |
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:
1. | rDNA | 2. | Lamin proteins |
3. | mRNA | 4. | Ribosome subunits |