How many nucleosomes are present in a mammalian cell?
A20 million
B30 million
C40 million
D10 million
Answer:
B. 30 million
Read Explanation:
The diploid cell of a eukaryotic mammal contains 6.4 x 109 nucleotides. A single cell of such type will 30 million nucleosomes in it. Nucleosomes containing chromatin when viewed under an electron microscope appear to be like “Beads-on-string”.
