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Questions and Answers
Which structure completely disintegrates during the prophase of mitosis?
Which structure completely disintegrates during the prophase of mitosis?
- Nuclear pore complexes
- Nuclear envelope (correct)
- Nucleolus
- Nuclear lamina
What proteins make up the nuclear pore complexes?
What proteins make up the nuclear pore complexes?
- Histones
- Lamins A, B, and C
- Ribosomes
- Nucleoporins (correct)
What happens to the lamina proteins in the nucleus during prophase of mitosis?
What happens to the lamina proteins in the nucleus during prophase of mitosis?
- They multiply rapidly
- They form a protective layer around the nucleus
- They disintegrate due to phosphorylation (correct)
- They move out of the nucleus through nuclear pore complexes
Which part of the cell is continuous with the outer membrane of the nuclear envelope?
Which part of the cell is continuous with the outer membrane of the nuclear envelope?
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What is the name of the viscous liquid inside the nucleus?
What is the name of the viscous liquid inside the nucleus?
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How much DNA is present in each cell?
How much DNA is present in each cell?
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How many different types of histones are there?
How many different types of histones are there?
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What is the structure called that is made up of the DNA wrapped around the octomer of histones?
What is the structure called that is made up of the DNA wrapped around the octomer of histones?
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What is the structure called where the chromatin loops fold on themselves to form either euchromatin or heterochromatin?
What is the structure called where the chromatin loops fold on themselves to form either euchromatin or heterochromatin?
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