24 All of the following statements are true about chromatosomes EXCEPT? a) they contain histone proteins b) the DNA is wrapped twice around the histones c) they contain nine protein scaffolding proteins d) the histone tails are buried inside the nucleosome inaccessible to modifications e) the electrostatic charge causes the chromatosomes to condense
25 Which of the following best represents the progressive stages of DNA coiling and folding culminating in the highly compacted chromosome of a dividing cell? a) chromatid, heterochromatin, euchromatin, chromatin fiber b) nucleosome, chromatin fiber, looped solenoid, metaphase chromosome c) chromatin, nucleosomes, chromatin fiber, metaphase chromosome d) heterochromatin, euchromatin, chromatin fiber, metaphase chromosome