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Cell Biology
Learn the toughest concepts covered in Cell Biology with step-by-step video tutorials and practice problems by world-class tutors
4. DNA, Chromosomes, and Genomes
Packaging of DNA
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1
concept
DNA Packaging Overview
1m
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2
concept
Nucleosome
4m
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3
concept
Complex DNA Packaging
2m
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4
concept
Chromosomes
9m
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5
concept
Conservation of DNA Packaging
2m
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6
concept
Unusual Chromatin Structures
2m
Play a video:
7
Problem
Which of the following histone proteins do not form dimers that make up the nucleosome core?
A
H2A
B
H2B
C
H3
D
H4
E
H1
8
Problem
How many histone proteins are found within the nucleosome core?
A
2
B
4
C
8
D
9
9
Problem
Interphase chromosomes are more condensed than other forms of chromosomes?
A
True
B
False