Thursday, February 4, 2010

Which of the following statements regarding DNA packing is FALSE?

A. A nucleosome consists of DNA wound around a protein core of eight histone molecules.


B. DNA packing tends to promote gene expression.


C. Histones account for about half the mass of eukaryotic chromosomes.


D. Highly compacted chromatin is generally not expressed at all.


E. Prokaryotes have proteins analogous to histones.Which of the following statements regarding DNA packing is FALSE?
B is false.


DNA must be in its relaxed, unpackaged state in order for the RNA nucleotides to pair with DNA for transcription, and for replication.Which of the following statements regarding DNA packing is FALSE?
b. it inhibits it because packing makes the DNA less accessible to the transcription machinery :)
b
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