What are those structures that appear as 'beads-on-string' in the chromosomes
when viewed under electron microscope?
1. Base pairs
2. Genes
3. Nucleotides
4. Nucleosomes
Radhika Batra , 10 Years ago
Grade 11
1 Answers
Navjyot Kalra
Last Activity: 10 Years ago
Sol: Nucleosome consist of octameric histone core wrapped by dsDNA
Answer: (4)
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