T0.5 STRUCTURE O 30 nm 30 nm 30 nm Histone- octamer (a) Micrograph of (b) Solenoid model (c) Zigzag model a 30-nm fiber FIGURE 10.13 The 30-nm fiber. (a) A photomicrograph of the 30-nm fib (b) In the solenoid model, the nucleosomes are packed in a helical configuration. (c) the zigzag model, the linker DNA forms a more irregular structure, and less contact curs between adjacent nucleosomes. The zigzag model is consistent with more recen data regarding chromatin conformation. (a): © Jerome Rattner/University of Calgary
T0.5 STRUCTURE O 30 nm 30 nm 30 nm Histone- octamer (a) Micrograph of (b) Solenoid model (c) Zigzag model a 30-nm fiber FIGURE 10.13 The 30-nm fiber. (a) A photomicrograph of the 30-nm fib (b) In the solenoid model, the nucleosomes are packed in a helical configuration. (c) the zigzag model, the linker DNA forms a more irregular structure, and less contact curs between adjacent nucleosomes. The zigzag model is consistent with more recen data regarding chromatin conformation. (a): © Jerome Rattner/University of Calgary
Biology 2e
2nd Edition
ISBN:9781947172517
Author:Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark
Chapter4: Cell Structure
Section: Chapter Questions
Problem 35CTQ: In the context of cell biology, what do we mean by form follows function? What are at least two...
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Question
Describe the distinguishing features of the solenoid and zigzag models
Transcribed Image Text:T0.5 STRUCTURE O
30 nm
30 nm
30 nm
Histone-
octamer
(a) Micrograph of
(b) Solenoid model
(c) Zigzag model
a 30-nm fiber
FIGURE 10.13 The 30-nm fiber. (a) A photomicrograph of the 30-nm fib
(b) In the solenoid model, the nucleosomes are packed in a helical configuration. (c)
the zigzag model, the linker DNA forms a more irregular structure, and less contact
curs between adjacent nucleosomes. The zigzag model is consistent with more recen
data regarding chromatin conformation.
(a): © Jerome Rattner/University of Calgary
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