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In tertiary structure of DNA, what is a histone octamer?          

A. A complex consisting of eight positively charged histone proteins (two of each\[{{H}_{2}}A,{{H}_{2}}B,{{H}_{3}}and{{H}_{4}}\]) that aid in the packaging of DNA.
B.                    A complex consisting of eight negatively charged histone proteins (two of each\[{{H}_{2}}A,{{H}_{2}}B,{{H}_{3}}and{{H}_{4}}\]) that aid in the packaging of DNA.
C.                    A complex consisting of nine positively charged histone proteins (\[{{H}_{1}}\]and two of each\[{{H}_{2}}A,{{H}_{2}}B,{{H}_{3}}and{{H}_{4}}\]) that aid in the packaging DNA.
D.                    A complex consisting of nine negatively charged histone proteins (v\[{{H}_{1}}\] and two of each\[{{H}_{2}}A,{{H}_{2}}B,{{H}_{3}}and{{H}_{4}}\]) that aid in the packaging of DNA.
Answer» B.                    A complex consisting of eight negatively charged histone proteins (two of each\[{{H}_{2}}A,{{H}_{2}}B,{{H}_{3}}and{{H}_{4}}\]) that aid in the packaging of DNA.


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