Ribozymes are RNA molecules with catalytic activity, capable of cleaving RNA and participating in RNA splicing. They are distinct from proteins with enzymatic activity
Study the diagram given below and answer the questions that follows:
(a) Identify the structure shown in the above figure.
(b) Identify the labels P and Q.
(c) Write the nature of histone proteins.
(d) Distinguish between Euchromatin and Heterochromatin.