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9 Cards in this Set
- Front
- Back
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Nucleus Function
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Storage of DNA
Site of Transcription Assembly of ribosome subunits |
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Nuclera Membrane
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-Outer side continuous with lumen of rER
-Inner Membrane is bound to nuclear lamina |
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Nuclear Pores
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Utilises Importin and exportin along with Ran proteins to transport large molecules
-Ran Breaks complexes -utilise GTP -Large proteins have a basic series called NLS and NES for nuclear transport and export sequences |
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Euchromatin
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activley transcribed light staining
-histones are acetyleatd leaving space |
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Heterochromatin
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dark staining inactive areas
-chromatin fibers low levels of histone acetylation compact |
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Nucleosome
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146 nucleotides wrapped around a histone protein complex
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Chromosome
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Telomere-ends
Centromere- central portion p-short arm q-long arm |
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Lamina
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Meshwork of proteins that provide crhomatin scaffolding, phosphorylated by bcyclin/cdk to break down
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Nucleolus
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transcription of rRNA and assembly of ribosome
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