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The Living World 8th Edition by George Johnson
Edition 8ISBN: 978-0078024214The Living World 8th Edition by George Johnson
Edition 8ISBN: 978-0078024214 Exercise 15
Eukaryotic chromosomes are composed of
A) DNA.
B) proteins.
C) histones.
D) All of the above.
Why does the DNA in a cell need to change periodically from a long, double-helix chromatin molecule into a tightly wound-up chromosome? What does it do in one configuration that it cannot do in the other?
What is a nucleosome?
A) a region in the cell's nucleus that contains euchromatin
B) a region of DNA wound around histone proteins
C) a region of a chromosome made up of multiple loops of chromatin
D) a 30-nm fiber found in chromatin
A) DNA.
B) proteins.
C) histones.
D) All of the above.
Why does the DNA in a cell need to change periodically from a long, double-helix chromatin molecule into a tightly wound-up chromosome? What does it do in one configuration that it cannot do in the other?
What is a nucleosome?
A) a region in the cell's nucleus that contains euchromatin
B) a region of DNA wound around histone proteins
C) a region of a chromosome made up of multiple loops of chromatin
D) a 30-nm fiber found in chromatin
Explanation
Verified
Verified
Unlike prokaryotic DNA, eukaryotic DNA i...
The Living World 8th Edition by George Johnson
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