Nucleosomes consist of all except ________ .
Important Questions on Molecular Basis of Inheritance
DNA replication is
A. Polymerization of nucleotides by DNA–dependent DNA polymerase activity
B. Energetically very expensive process
C. Polymerization of ribonucleotides in 5' – 3’ direction
Given diagram is the representation of a certain event. Identify this event.
(i) RNA act as a genetic material as well as a catalyst.
(ii) RNA is more stable than DNA.
(iii) RNA has evolved from DNA.
Read the following statements, and select the correct option.
A. Packaging of chromatin at a higher level requires an additional set of proteins that are collectively referred to as non-histone chromosomal proteins.
B. Heterochromatin is transcriptionally active.
Fill in the blanks and choose the correct option.
(i) Histones are organised to from a unit of eight molecular called __A__.
(ii) __B__ constitute(s) the repeating unit of a structure in nucleus called __C__.
(iii) The chromatin that is more densely packed and is stained dark is called __D__.
