The association of histone H1 with a nucleosome indicates
(1) transcription is occuring
(2) DNA replication is occuring
(3) the DNA is condensed into chromatin fibre
(4) the DNA double helix is exposed
Identify the correct order of organisation of genetic material from largest to smallest.
(1) Chromosome, gene, genome, nucleotide
(2) Genome, chromosome, nucleotide, gene
(3) Genome, chromosome, gene, nucleotide
(4) Chromosome, genome, nucleotide, gene
What are those structures that appear as ‘beads-on-string’ in the chromosomes when viewed under electron microscope?
(1) Nucleotides
(2) Nucleosomes
(3) Base pairs
(4) Genes
The length of DNA molecule greatly exceeds the dimensions of the nucleus in eukaryotic cells. How is this DNA accommodated?
(1) Deletion of non essential genes
(2) Super-coiling in nucleosomes
(3) DNAse digestion
(4) Through elimination of repetitive DNA
Refer to the given figure and select the correct option regarding its parts labelled as A, B and C.
(1) A-Histone octamer, C-DNA
(2) B-H1 histone, C-Histone octamer
(3) A-H1 histone, B-DNA
(4) A-Histone octamer, C-H1 histone