Cell Structure (Nucleus)
- Created by: melissasimys
- Created on: 25-08-18 15:17
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- Nucleus
- 10microm (largest organelle)
- Structures and Functions
- control cellular activites
- ex: hereditary metabolism reproduction
- nucleolus
- synthesizes rRNA and ribosomes
- nucleoplasm (nuclear sap)
- chromatin
- DEF: a string of DNA wrapped around histone protein
- heterochromatin
- DEF: densely coiled and condensed chromatin
- euchromatin
- DEF: uncoiled chromatin
- contains genes that can be expressed
- contains genes
- nuclear pores
- perforated membrane layer
- controls entry and exit of substances in and out of nucleus
- inner + outer membrane
- forms nuclear envelope
- double membrane layer
- forms nuclear envelope
- control cellular activites
- double membrane layer
- perforated membrane layer
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