What are those structures that appear as 'beads-on-string' in the chromosomes when viewed under electron microscope?
A. Nucleotides
B. Nucleosomes
C. Base pairs
D. Genes
Answer: Option B
Related Questions on Cell Biology
The plasma membrane is covered by a cell wall in cells of
A. Plants
B. Bacteria
C. Fungi and Algae
D. All of the above
A. Robert Brown
B. Schleiden
C. Theodore Schwann
D. Rudolf Virchow

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