Q. Which one of the following organelles lack membranes?

 1968  174 BVP MedicalBVP Medical 2004 Report Error

Solution:

The ribosomes are the smallest cell organelle measuring 170-230 in diameter unlike other cell organdies, they are not bound by any unit membrane. The ribosomes are concerned with protein synthesis the nucleolus plays pivotal role in the biogenesis of ribosomes.