Q. Lipid bilayer is present in:

 2178  183 Punjab PMETPunjab PMET 2006 Report Error

Solution:

As per fluid mosaic model of plasma membrane, the cell membrane consists of a highly viscous fluid matrix of two layers of phospholipid molecules. Ribosome mainly consists of r-RNA and protein. Chromosome is made up of DNA and basic proteins wheras nucleolus mainly consist of RNA.