Indicate true (T) and false (F) statements below regarding histones. Your answer would be a six-letter string composed of letters T and F only, e.g. TTFFFF. ( ) The histones are highly acidic proteins. ( ) The histone fold consists of three ? helices. ( ) The core histones are much more conserved than the H1 histone. ( ) The N-terminal tails of the core histones undergo a variety of reversible post-translational modifications. ( ) Every nucleosome core is made up of three polypeptide chains. ( ) The H1 histone is absent in the 30-nm fibers.