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CTG Wk2:

Week 2- Cell Theory and Nuclear Theory

QuestionAnswer
what are all cells bound by? double plasma membrane of polar phospholipids
what do all cells contain? cytosol
what do all cells need to maintain order and function? free energy
where is the genetic information stored mainly in prokaryotes? single chromosome (nucleoid)
where is additional genetic information stored in prokaryotes? plasmids
how many genes do prokaryotes have? 1000-6000 genes
describe prokaryote cell walls rigid
invaginate meaning? folded to make a pouch or dip
prokaryotic inner cell membranes can invaginate to form? mesosomes
mesosomes? folded cell membrane invaginations
where is nuclear genome from? archaeal ancestor
where is mitochondrial genome from? alphaproteobacterial group
where is chloroplast genome from? cyanobacteria
how is DNA stored chromatin
perinuclear space? space between the inner and outer membranes of the nuclear membrane
what is the inner membrane continuous with? nuclear lamina
nuclear lamina binds to what? chromatin
Nuclear Pore Complexes (NPCs)? made of nucleoporins
what do Nuclear Pore Complexes do? bidirectional transport of molecules
nuclear lamina? array of protein filaments attached to the inner membrane of nuclear envelope
role of the nuclear lamina? attachment site for chromatin and cytoplasmic cytoskeleton, facilitation of DNA replication and RNA transcription and cell cycle regulation and apoptosis
nucleolus? non-membrane bound, the site of ribosomal RNA (rRNA)
Created by: shuriken
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