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An Electron Micrograph of Chromatin,which Looks Like a Bead on a String,allows

Question 4

Multiple Choice

An electron micrograph of chromatin,which looks like a bead on a string,allows measurement of structural dimensions.The beads appear to have a diameter of about ________ Å and the string has a diameter of about ________ Å.


A) 20;100
B) 20;0.1
C) 100;20
D) 120;100
E) 0.1;10

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