BIOCHEM — Cell Structure, Cell Cycle, and Cell Division
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14 Terms
2 CATEGORIES OF CELL
EUKARYOTIC & PROKARYOTIC
EUKARYOTIC
with nucleus and membrane-bound organelles.
More complex structure, larger size
PROKARYOTIC
No nucleus; DNA in cytoplasm.
Simpler structure, smaller size Unicellular (bacteria,virus)
CELL STRUCTURE
Plasma Membrane — Cytoplasm — Nucleus
Cell Membrane
AKA Plasma membrane — phospholipid bilayer
Selective Permeability
Regulates what enters/exits
HYDROPHILIC
Water-loving
HYDROPHOBIC
Water-fearing
NUCLEUS
Control center of the cell
CHROMATIN
threadlike genetic material (not dividing)
CHROMOSOMES
chromatin coils and condense and form rod shape (cell division)
Nucleolus
Makes ribosomal RNA (rRNA) and assembles ribosome parts
“ribosome maker”
Nuclear Envelop
Separates nucleus from cytoplasm
Nuclear Pore
Allow movement of materials (e.g., RNA) in and out of the nucleus
Note 
Flashcards (130)