Genetics: Analysis and Principles 5th Edition by Robert Brooker

تمرين 27

In Figure 10.13, what are we looking at in part b Is this an 11-nm fiber, a 30-nm fiber, or a 300-nm fiber Does this DNA come from a cell during M phase or interphase
FIGURE 10.13 The nucleosome structure of eukaryotic chromatin as viewed by electron microscopy. The chromatin in (a) has been treated with moderate salt concentrations to remove the linker histone, H1. It exhibits the classic beads-on-a-string morphology. The chromatin in (b) has been incubated without added NaCl and shows a more compact morphology.