Lecture Ten : Nucleus
3 important questions on Lecture Ten : Nucleus
What is the structure of the Nucleus ?
- Surrounded by nuclear envelope
- Outer membrane continuous with rER
- Nuclear pore complex present on nuclear envelope
- Nucleolus within nucleus
What are the functions of the Nucleus ?
- Holds DNA materials
- Nucleo-cytoplasmic exchange occurs
- Behaves as Control centre of the cell
What is the difference between Heterochromatin and Euchromatin ?
HETEROCHROMATIN :
- More dense
- Not currently used by cell to read the genes for transcription to mRNA
- Less dense
- Unwinded such that gene needs to be transcribed is available
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