#Question id: 2722
#Unit 2. Cellular Organization
Which type of supercoiling takes the form of extended right-handed coils?
#Question id: 2723
#Unit 2. Cellular Organization
With respect to the solenoid model of nucleosome, which of the following is true?
#Question id: 2724
#Unit 2. Cellular Organization
When DNA is compacted by histones into 10 nm and 30 nm fibers, the DNA is unable to interact with proteins required for gene expression. Therefore, to allow for these proteins to act, the chromatin must constantly alter its structure. Which processes contribute to this dynamic activity?
#Question id: 2725
#Unit 2. Cellular Organization
________ plays an important role in storing the energy needed for the unwinding of DNA during replication, recombination, repair and transcription.
#Question id: 2726
#Unit 2. Cellular Organization
Which property is shared by the five histone proteins?
#Question id: 2727
#Unit 2. Cellular Organization
What marks the difference between the solenoid and the zig-zag models of 30 nm fibres?