9 Questions
Which structure completely disintegrates during the prophase of mitosis?
Nuclear envelope
What proteins make up the nuclear pore complexes?
Nucleoporins
What happens to the lamina proteins in the nucleus during prophase of mitosis?
They disintegrate due to phosphorylation
Which part of the cell is continuous with the outer membrane of the nuclear envelope?
Rough endoplasmic reticulum
What is the name of the viscous liquid inside the nucleus?
Nucleoplasm
How much DNA is present in each cell?
1 meter
How many different types of histones are there?
5
What is the structure called that is made up of the DNA wrapped around the octomer of histones?
Nucleosome
What is the structure called where the chromatin loops fold on themselves to form either euchromatin or heterochromatin?
Chromatin fiber
Test your knowledge on the structure and functions of the nuclear envelope, including its double membrane, connection to the endoplasmic reticulum, presence of ribosomes, nuclear pore complexes, and its dynamics during mitosis.
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