The complete nucleosome is made of about 200 bp of DNA and: ________
a. two Hl, two H2A, two H2B, two H3 and two H4.
b. one H1, two H2A, two H2B, two H3, and two H4
c. two H1, two H2A, two H2B, two H3 and one H4.
d. two H2A, two H2B, two H3, and two H4"